Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh thong » thanh hong, thanh thang, thanh chuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
cua nong » cua cong, cua dong, cua song
cuu nong » cuu cong, cuu nang, cuu tong
cong tam » cong tac, cong tan, cong nam
tam than » ban than
than cap » khan cap, thanh lap, thanh 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 - ((thanh thong) OR (thanh thuong)) ((cua nong) or (cuu nong)) cong tam than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((thanh thong) OR (thanh thuong)) ((cua nong) OR (cuu nong)) cong tam than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((thanh thong) OR (thanh thuong)) ((cua nong) or (cuu nong)) cong tam than cap".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh thong) OR (thanh thuong)) ((cua nong) or (cuu nong)) cong tam than cap*.