Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
ganh nang » anh nang, nganh nong, van nang
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
thai cao » thoai cac, thuat cao, toan cao
tai cao » tao cao, tai sao, tai cac

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 - ((anh tang) or (ganh nang)) cua nhung cong dan ((tai cao) OR (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((anh tang) OR (ganh nang)) cua nhung cong dan ((tai cao) OR (thai cao))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((anh tang) or (ganh nang)) cua nhung cong dan ((tai cao) OR (thai cao))*".