Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hang hang » nang hang, cang thang, hung thang
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, tin dung
cong tac » cong ty
tran cau » tran chau, toan cau, ran cau
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 - hang hang ((van dung) OR (xay dung)) cong tac ((tran cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hang hang ((van dung) OR (xay dung)) cong tac ((tran cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hang hang ((van dung) OR (xay dung)) cong tac ((tran cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hang hang ((van dung) OR (xay dung)) cong tac ((tran cau) or (toan cao))*.