Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, chau tinh, kieu tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
hang cong » dang cong, hang nong, bang cong
thuat ban » thuat bai, thuat bao, thuat san
tranh va » tranh van, trang va, trinh va
cong tan » cong tac, cong san, cong thanh
toan ban » van 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: theo ((chieu tinh) OR (lieu tinh)) - canh tranh va hang cong tan ((thuat ban) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) OR (lieu tinh)) - canh tranh va hang cong tan ((thuat ban) OR (toan ban))".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) OR (lieu tinh)) - canh tranh va hang cong tan ((thuat ban) OR (toan ban))*.