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
doc hieu » toc thieu, hoc thieu
cong san » cong tac
san choi » san chi, san cho, van choi
choi tu » hoi tu, cho tu, chon tu

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)) xanh - canh tranh cua nhung cong san choi tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (hoc hien)) xanh - canh tranh cua nhung cong san choi tu.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (hoc hien)) xanh - canh tranh cua nhung cong san choi tu*.