Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
canh thanh » canh tranh, danh thanh, anh thanh
thanh qua » thanh quan, thanh qui, hanh qua
cong cong » cong dong, dung cong, dang cong
tan van » tran van, tang van, luan van

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 thanh qua ((cong cong) OR (trong cong)) tan van ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - canh thanh qua ((cong cong) OR (trong cong)) tan van ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - canh thanh qua ((cong cong) OR (trong cong)) tan van ban*.