Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
tranh van » tran van, trinh van, thanh van
lang cong » dang cong, bang cong, hang cong
van lang » van nang, va lang, van hang
cong tac » cong ty
phan dau » phan tu, hang dau
phan cac » nhan cach, phan lap, phan van

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 tinh - canh tranh van lang cong tac ((phan dau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh tranh van lang cong tac ((phan dau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh tranh van lang cong tac ((phan dau) or (phan cac))*.