Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hang doanh » hanh doanh, nhung doanh, dung doanh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
van doanh » toan doanh, van dong, van anh
van thanh » ban thanh, van tuan
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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