Perhaps you should try some spelling variations:
quang nhung » quang hung, quan nhung, quang phuong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
thanh ban » thanh san, thanh van, thanh bac
cong tac » cong ty
than ban » toan ban, than man, nhuan ban

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 (chieu sach)) - hanh tinh quang nhung cong tac ((than ban) OR (thanh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu sach)) - hanh tinh quang nhung cong tac ((than ban) OR (thanh ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu sach)) - hanh tinh quang nhung cong tac ((than ban) OR (thanh ban))".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu sach)) - hanh tinh quang nhung cong tac ((than ban) OR (thanh ban))*.