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
va tuong » va thuong, va thong, xa truong
cong ban » cong bang, cong san, cong tan
toan cau » toan cao, toan ban, toan tap
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: ho chieu sang - thanh trung ((va dung) or (va tuong)) cong ban ((toan cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung ((va dung) OR (va tuong)) cong ban ((toan cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung ((va dung) or (va tuong)) cong ban ((toan cau) or (than cap))*.