Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
canh manh » lanh manh, canh tranh, van manh
cua nhung » va nhung
san chang » ban hang, dan chan, van khang
doc hieu » toc thieu, hoc thieu, hoc hien
cong san » cong tac
chang tu » chung tu, chang xu, hang tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doc hieu)) xanh - ((canh manh) OR (cach mang)) cua nhung cong san chang tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doc hieu)) xanh - ((canh manh) OR (cach mang)) cua nhung cong san chang tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (doc hieu)) xanh - ((canh manh) OR (cach mang)) cua nhung cong san chang tu".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doc hieu)) xanh - ((canh manh) OR (cach mang)) cua nhung cong san chang tu*.