Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
sinh trong » sinh truong, sinh trung, dinh trong
dieu luong » dieu tuong, tien luong, dien xuong
cong tan » cong tac, cong san, cong thanh
tan khan » tan khang, tan nhan, toan khoan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sang) OR (chieu xanh)) - sinh trong ((dieu luong) or (dieu duong)) cong tan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu xanh)) - sinh trong ((dieu luong) OR (dieu duong)) cong tan khan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sang) OR (chieu xanh)) - sinh trong ((dieu luong) or (dieu duong)) cong tan khan cap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) OR (chieu xanh)) - sinh trong ((dieu luong) or (dieu duong)) cong tan khan cap*.