Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
cua nhung » va nhung
thanh tay » thanh tai, thanh toan, thanh thuy
thanh lap » thanh san, phan lap, thanh hai
doc hieu » toc thieu, hoc thieu
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (hoc hien)) manh - canh tranh cua nhung cong van ((thanh tay) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) manh - canh tranh cua nhung cong van ((thanh tay) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) manh - canh tranh cua nhung cong van ((thanh tay) or (thanh lap))*.