Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo chieu » theo tieu, ho chieu, theo chu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
van tuan » van quan, van ban, anh tuan
van tai » von tai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doc hieu)) xanh - canh tranh cua nhung cong ((van tai) OR (van tuan)) ban~.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doc hieu)) xanh - canh tranh cua nhung cong ((van tai) or (van tuan)) ban*.