Perhaps you should try some spelling variations:
chang cong » hang cong, chong cong, thanh cong
hoc thieu » toc thieu, hoc hien
theo chu » theo chieu, cho chu, chao chu
chinh ca » chinh ta, chinh va, chinh tai
ca chang » ca chung, co chang, san chang
cong tan » cong tac, cong san, cong thanh
tan doan » tran doan, tap doan, van doan
doan cao » doanh cao, toan cao, doan cap

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) or (theo chu)) xanh - hanh chinh ca chang cong tan doan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chu)) xanh - hanh chinh ca chang cong tan doan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chu)) xanh - hanh chinh ca chang cong tan doan cao*.