Perhaps you should try some spelling variations:
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
chinh tai » chinh tri
hang cong » dang cong, hang nong, bang cong
chinh va » chinh ta, hanh va, tinh va
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chiet tach - hanh ((chinh va) or (chinh tai)) hang cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chiet tach - hanh ((chinh va) OR (chinh tai)) hang cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - hanh ((chinh va) or (chinh tai)) hang cong tan toan cao*.