Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
tang thanh » dang thanh, trung thanh, hoang thanh
hoc thieu » toc thieu, hoc hien
va phuong » va thuong, cac phuong
cong tang » cong thang, cong tan, cong lang
thanh cao » thanh ca, thanh cac, thanh thao
va thong » va thuong, he thong, va cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh tung ((va thong) OR (va phuong)) cong tang thanh cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh tung ((va thong) OR (va phuong)) cong tang thanh cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tung ((va thong) OR (va phuong)) cong tang thanh cao*.