Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, xay dung, tin dung
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
ap dung » xay dung

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 sang - thanh trung ((ap dung) OR (van dung)) ((cong ban) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung ((ap dung) OR (van dung)) ((cong ban) OR (cong san)) toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung ((ap dung) OR (van dung)) ((cong ban) or (cong san)) toan cau*".