Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
theo chu » theo chieu, cho chu, chao chu
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
nhan va » nhan tai, nhan dan, nhan tao

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

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