Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh tung, thanh hung, hanh dung
thong cong » trong cong, tong cong, thong thong
thuat chan » thuat toan, thuat san
cua thong » cua thuong, cua khong, cua tong
cong van » cong vang, cong san, song 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 - ((thanh dung) OR (thanh duong)) cua thong cong van ((thuat chan) or (quan he))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((thanh dung) OR (thanh duong)) cua thong cong van ((thuat chan) OR (quan he)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((thanh dung) OR (thanh duong)) cua thong cong van ((thuat chan) or (quan he))".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh dung) OR (thanh duong)) cua thong cong van ((thuat chan) or (quan he))*.