Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
hanh san » thanh san, khach san, thanh son
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap
san va » san van, ban va, dan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) sang - hanh san va nhung ((cong dan) OR (cong tan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) sang - hanh san va nhung ((cong dan) OR (cong tan)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (theo chieu)) sang - hanh san va nhung ((cong dan) OR (cong tan)) toan cao*".