Translate some string into Vietnamese

[saosangmo]

No description provided.

[codecov]

Codecov Report

Merging #1381 (2dc1c0a) into master (fe4db30) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1381   +/-   ##
=======================================
  Coverage   51.90%   51.90%           
=======================================
  Files         138      138           
  Lines        2998     2998           
  Branches      695      695           
=======================================
  Hits         1556     1556           
  Misses       1434     1434           
  Partials        8        8           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update fe4db30...2dc1c0a. Read the comment docs.