Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
mang cua » dung cua, ban cua, cong cua
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - anh ((mang cua) OR (manh cua)) dung cong tan tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (ho chieu)) xanh - anh ((mang cua) OR (manh cua)) dung cong tan tran cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) xanh - anh ((mang cua) OR (manh cua)) dung cong tan tran cau*.