Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
tung cua » tuong cua, dung cua, tang cua
van than » van thanh, van thang, van tuan
ban than » ban thanh, van thanh, ban hang

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 cua) or (trung cua)) nhung cong ((van than) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh ((tung cua) OR (trung cua)) nhung cong ((van than) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh ((tung cua) or (trung cua)) nhung cong ((van than) or (ban than)) cau*.