Perhaps you should try some spelling variations:
thieu lang » hieu lang, thieu khang, thieu quang
thanh dung » thanh duong, thanh tung, thanh hung
tham nhung » thi nhung
hoc thieu » toc thieu, hoc hien
cong kiem » cong kim, thong kiem, trong kiem
ba trung » tai trung, nam trung, do trung
tra ban » tri ban, tra bao, tranh ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu lang - thanh dung ((ba trung) or (tham nhung)) cong kiem tra ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu lang - thanh dung ((ba trung) OR (tham nhung)) cong kiem tra ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu lang - thanh dung ((ba trung) or (tham nhung)) cong kiem tra ban*.