Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
san hang » san chang, ban hang, van hang
hang tai » hang va, dung tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo tieu)) xanh - hanh tranh cua ((nhung cong) OR (thong cong)) san hang tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) xanh - hanh tranh cua ((nhung cong) OR (thong cong)) san hang tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) xanh - hanh tranh cua ((nhung cong) OR (thong cong)) san hang tai".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) xanh - hanh tranh cua ((nhung cong) OR (thong cong)) san hang tai*.