Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua
manh cua » doanh cua, ban cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
phan dau » phan tu, hang dau

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 sach - canh ((tranh cua) OR (manh cua)) thuong ((cong tan) or (cong san)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - canh ((tranh cua) OR (manh cua)) thuong ((cong tan) OR (cong san)) phan dau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - canh ((tranh cua) OR (manh cua)) thuong ((cong tan) or (cong san)) phan dau*".