Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
gay dung » xay dung, van dung, dan dung
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
ap dung » xay dung, van dung

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 - thanh trung ((gay dung) OR (ap dung)) ((cong san) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - thanh trung ((gay dung) OR (ap dung)) ((cong san) OR (cong tac)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - thanh trung ((gay dung) OR (ap dung)) ((cong san) or (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - thanh trung ((gay dung) OR (ap dung)) ((cong san) or (cong tac)) toan cau*.