Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung huong » nhung tuong, nhung cong, nhung dung
thien thanh » tien thanh, thi thanh, hien hanh
thien danh » thien anh, thien dang, thien chanh
tranh van » tran van, trinh van, thanh van
dan than » dan chan, ban than, van than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien danh) or (thien thanh)) - canh tranh van ((nhung huong) OR (nhung phuong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (thien thanh)) - canh tranh van ((nhung huong) OR (nhung phuong)) dan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien danh) or (thien thanh)) - canh tranh van ((nhung huong) OR (nhung phuong)) dan than cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (thien thanh)) - canh tranh van ((nhung huong) OR (nhung phuong)) dan than cap*.