Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
lieu tinh » trieu tinh, diep tinh, bien tinh
hang cong » dang cong, hang nong, bang cong
doanh va » doan va, doanh tai, doanh cua
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu tinh) OR (lieu tinh)) - hanh doanh va hang cong tan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (lieu tinh)) - hanh doanh va hang cong tan ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu tinh) OR (lieu tinh)) - hanh doanh va hang cong tan ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu tinh) OR (lieu tinh)) - hanh doanh va hang cong tan ((toan cao) or (toan tap))*.