Perhaps you should try some spelling variations:
tren nganh » trien nganh, trong nganh, vien nganh
nhung cong » dung cong, thong cong, hang cong
duoc tren » nuoc tren, thuoc tren, dung tren
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: duoc tren nganh - canh tranh cua nhung cong san van ban~.
• Adding a wildcard symbol may retrieve word variants: duoc tren nganh - canh tranh cua nhung cong san van ban*.