Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
khang cong » hang cong, thanh cong, dang cong
hoc thieu » toc thieu, hoc hien
hanh tram » hanh tam, hanh trang, thanh tran
thanh tra » thanh toan, thanh hoa
van khang » van khanh, van thanh, van quang
cong tac » cong ty
phan tap » han tap, pha tap, phan tu
phan lap » phan dau

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 - ((hanh tram) or (thanh tra)) van khang cong tac ((phan tap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - ((hanh tram) OR (thanh tra)) van khang cong tac ((phan tap) OR (phan lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - ((hanh tram) or (thanh tra)) van khang cong tac ((phan tap) or (phan lap))*.