diff --git a/po/vi.po b/po/vi.po
index 37486c00..aa8478e1 100644
--- a/po/vi.po
+++ b/po/vi.po
@@ -117,11 +117,11 @@ msgstr ""
 #: src/SUMMARY.md src/running-the-course/course-structure.md
 #: src/welcome-day-1.md src/control-flow-basics.md
 msgid "Control Flow Basics"
-msgstr ""
+msgstr "Control flow (Điểu khiển luồng) căn bản"
 
 #: src/SUMMARY.md
 msgid "`if` Expressions"
-msgstr ""
+msgstr "Lệnh `if`"
 
 #: src/SUMMARY.md src/control-flow-basics.md src/control-flow-basics/loops.md
 msgid "Loops"
@@ -146,25 +146,25 @@ msgstr "Labels (nhãn)"
 #: src/SUMMARY.md src/control-flow-basics.md
 #: src/control-flow-basics/blocks-and-scopes.md
 msgid "Blocks and Scopes"
-msgstr ""
+msgstr "Blocks và scopes"
 
 #: src/SUMMARY.md src/control-flow-basics/blocks-and-scopes/scopes.md
 msgid "Scopes and Shadowing"
-msgstr ""
+msgstr "Scopes và shadowing"
 
 #: src/SUMMARY.md src/control-flow-basics.md
 #: src/control-flow-basics/functions.md
 msgid "Functions"
-msgstr ""
+msgstr "Hàm"
 
 #: src/SUMMARY.md src/control-flow-basics.md src/control-flow-basics/macros.md
 msgid "Macros"
-msgstr ""
+msgstr "Macros"
 
 #: src/SUMMARY.md src/control-flow-basics.md
 #: src/control-flow-basics/exercise.md
 msgid "Exercise: Collatz Sequence"
-msgstr ""
+msgstr "Thực hành: Chuỗi Collatz"
 
 #: src/SUMMARY.md
 msgid "Day 1: Afternoon"