Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
trung qua » trung quan, trong qua, truong quan
trung cua » truong cua, trung tuan, trung cap
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tap, toan tai
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 sang - thanh ((trung qua) or (trung cua)) dung cong tan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ((trung qua) OR (trung cua)) dung cong tan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((trung qua) or (trung cua)) dung cong tan ((toan cau) or (toan cao))*.