Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh
quang hang » quang hoang, quang khang, quang thang
hieu manh » hieu nganh, dieu hanh, hien hanh
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
hang cong » dang cong, hang nong, bang cong
cong tac » cong ty
tac va » tac da, tac xa, tuc va
va ban » van ban, va bai, va bao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hieu manh) or (chieu xanh))) or (chieu sang)) - hanh tinh quang hang cong tac va ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (chieu xanh))) OR (chieu sang)) - hanh tinh quang hang cong tac va ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (chieu xanh))) or (chieu sang)) - hanh tinh quang hang cong tac va ban*.