Perhaps you should try some spelling variations:
nhung dung » phuong dung, ung dung, thong dung
tranh ban » trinh ban, tranh hang, tranh luan
ban nhung » san nhung, ban phuong, gian nhung
chi xanh » chi anh, chi danh, chi hanh
van toan » van tuan, van tan, van thanh
van quan » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - canh tranh ban nhung dung ((van toan) or (van quan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - canh tranh ban nhung dung ((van toan) OR (van quan)) cao.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh tranh ban nhung dung ((van toan) or (van quan)) cao*.