Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, ho chieu, mot chieu
cua nhung » va nhung
hanh san » thanh san, khach san, thanh son
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi
cho chu » cho thue
san cua » sang cua, ban cua, dan cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((doi chieu) OR (doi chi))) or (cho chu)) xanh - hanh san cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doi chieu) OR (doi chi))) OR (cho chu)) xanh - hanh san cua nhung cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((doi chieu) OR (doi chi))) or (cho chu)) xanh - hanh san cua nhung cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ((((doi chieu) OR (doi chi))) or (cho chu)) xanh - hanh san cua nhung cong tac toan cau*.