Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
tranh va » tranh van, trang va, trinh va
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
va dung » van dung, va duong, vat dung

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 sang - canh tranh va dung ((cong ban) OR (cong tan)) than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - canh tranh va dung ((cong ban) OR (cong tan)) than cap".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - canh tranh va dung ((cong ban) OR (cong tan)) than cap*.