Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
trinh toan » tinh toan, thanh toan, trinh han
danh nhan » doanh nhan, thanh nhan, benh nhan
cua thong » cua thuong, cua khong, cua tong
ho chieu » hoc thieu, doi chieu, mot chieu
anh nhan » doanh nhan, thanh nhan, benh nhan
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: ((ho chieu) or (theo chieu)) xanh - ((anh nhan) OR (danh nhan)) cua thong cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - ((anh nhan) OR (danh nhan)) cua thong cong trinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - ((anh nhan) OR (danh nhan)) cua thong cong trinh toan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - ((anh nhan) OR (danh nhan)) cua thong cong trinh toan cau*.