Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
tong cong » trong cong, cong cong, dung cong
tang cua » mang cua, tang luan, thong cua
hang cua » mang cua, hang ca, huong cua
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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 - hanh ((tang cua) or (hang cua)) tong cong ((dan than) or (dan chan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh ((tang cua) OR (hang cua)) tong cong ((dan than) OR (dan chan)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh ((tang cua) or (hang cua)) tong cong ((dan than) or (dan chan)) ban*.