Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, theo sach
cac phuong » cac truong
hieu cach » hieu cac, chieu sach, hieu ca
san thanh » ban thanh, van thanh, son thanh
thanh cao » thanh ca, thanh cac, thanh thao
va thong » va thuong, va phuong, he thong
cong san » cong tac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu sach) or (hieu cach)) - thanh trung ((va thong) or (cac phuong)) cong san thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sach) OR (hieu cach)) - thanh trung ((va thong) OR (cac phuong)) cong san thanh cao.
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) or (hieu cach)) - thanh trung ((va thong) or (cac phuong)) cong san thanh cao*.