Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thanh huong » thanh hung, thanh cong, anh huong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
qua thong » qua trong, quang thong, xuat thong
cong san » cong tac
san phan » san pham, van phan, sat phan

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 truong) or (thanh huong)) ((qua thong) or (suat thong)) cong san phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((thanh truong) OR (thanh huong)) ((qua thong) OR (suat thong)) cong san phan tu.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh truong) or (thanh huong)) ((qua thong) or (suat thong)) cong san phan tu*.