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 » xay dung, tin dung
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 ((van dung) or (van dong)) cong dan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung ((van dung) OR (van dong)) cong dan ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung ((van dung) or (van dong)) cong dan ((toan cau) or (toan ban))*.