Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
thieu xanh » chieu xanh, thien anh, thien danh
nhan khong » nhan thong, nhanh chong, nganh khong
khong cong » thong cong, khong cang, chong cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
manh toan » thanh toan, anh tuan, tinh toan
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (hieu manh)) - hanh doanh nhan khong cong ((manh toan) or (van toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - hanh doanh nhan khong cong ((manh toan) OR (van toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - hanh doanh nhan khong cong ((manh toan) or (van toan)) tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - hanh doanh nhan khong cong ((manh toan) or (van toan)) tap*.