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, hoc hien
cong tan » cong tac, cong san, cong thanh
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
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) or (doc hieu)) xanh - canh tranh cua nhung cong tan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (doc hieu)) xanh - canh tranh cua nhung cong tan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (doc hieu)) xanh - canh tranh cua nhung cong tan ((toan tai) or (toan cao))*.