Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
ho chieu » hoc thieu, doi chieu, mot chieu
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
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 - thanh tung cua thong cong san ((phan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh tung cua thong cong san ((phan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - thanh tung cua thong cong san ((phan cau) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - thanh tung cua thong cong san ((phan cau) or (toan cao))*.