Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
tan chan » dan chan, ban chan, can chan
chan dau » phan dau, han dau, chan doan

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 (chieu xanh)) - ((kinh doanh) or (chinh doanh)) cua thong cong tan chan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - ((kinh doanh) OR (chinh doanh)) cua thong cong tan chan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - ((kinh doanh) or (chinh doanh)) cua thong cong tan chan dau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - ((kinh doanh) or (chinh doanh)) cua thong cong tan chan dau*.