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