Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
trong qua » trong quan, thong qua, trong nha
qua dung » quang dung, su dung, qua song
cong tac » cong ty
toan cau » 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: ho ((chieu tinh) or (chieu sang)) - thanh trong qua dung ((cong san) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (chieu sang)) - thanh trong qua dung ((cong san) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) or (chieu sang)) - thanh trong qua dung ((cong san) or (cong tac)) toan cau*.