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
luong va » dung va
trung ha » trung hoc, trung tam, trung cap
san than » sang than, san thanh, van than
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 ((luong va) or (trung ha)) nhung cong ((san than) or (ban than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh ((luong va) OR (trung ha)) nhung cong ((san than) OR (ban than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh ((luong va) or (trung ha)) nhung cong ((san than) or (ban than)) cau*.