Perhaps you should try some spelling variations:
doanh quan » doanh quang, doan quan, doanh nhan
doanh luan » doanh nhan
thong cong » trong cong, tong cong, thong thong
thi chieu » thi chien, thi hieu, theo chieu
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
toan cau » toan cao, toan ban, toan tap

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

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