Perhaps you should try some spelling variations:
quang dung » quang trung, ung dung, cuong dung
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
qua dung » su dung, qua song, qua cong
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - canh tranh ((qua dung) OR (quang dung)) cong dan ((than cap) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh tranh ((qua dung) OR (quang dung)) cong dan ((than cap) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - canh tranh ((qua dung) OR (quang dung)) cong dan ((than cap) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh tranh ((qua dung) OR (quang dung)) cong dan ((than cap) or (phan cau))*.