Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
sinh trong » sinh truong, sinh trung, dinh trong
dieu luong » dieu duong, dieu tuong, tien luong
luong cong » dung cong, trong cong, cong cong
hieu manh » hieu nganh, dieu hanh, hien hanh
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: hoc ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - sinh trong dieu luong cong tan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu xanh) OR (hieu manh))) OR (chieu sach)) - sinh trong dieu luong cong tan khan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - sinh trong dieu luong cong tan khan cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - sinh trong dieu luong cong tan khan cap*.