Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
tich nang » tich van, tin nang
nang quan » ban quan, nang suat
quan dung » quang dung, quan duong, qua dung
cong tan » cong tac, cong san, cong ty
toan ban » van 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 ((thieu xanh) or (thien anh)) - tich nang quan dung ((cong tan) OR (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - tich nang quan dung ((cong tan) OR (cong thanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - tich nang quan dung ((cong tan) OR (cong thanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - tich nang quan dung ((cong tan) OR (cong thanh)) toan ban*.