Perhaps you should try some spelling variations:
tranh trong » tran trong, trinh trong, anh trong
phuong cong » phuong dong, phung cong, phuong hoang
hieu nganh » vien nganh, hiem ngan, hieu manh
trong quan » thong quan, tong quan, thong quang
phong cong » phong chong, thong cong, chong cong
thanh lap » thanh san, phan lap, thanh hai
hoc hieu » hoc thieu, hoc hien, doc hieu
than cap » khan cap, thanh cac, than cua

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 nganh - tranh trong quan ((phuong cong) OR (phong cong)) dan ((than cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - tranh trong quan ((phuong cong) OR (phong cong)) dan ((than cap) OR (thanh lap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu nganh - tranh trong quan ((phuong cong) OR (phong cong)) dan ((than cap) or (thanh lap))*".