Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
thanh phan » thanh pho, thanh san, thanh toan
hoc thieu » toc thieu, hoc hien
vap nhung » va nhung, ve nhung, voi nhung
cong tran » cong tan, cong tuan, cong toan
thanh cha » thanh ha, thanh nha, thanh pham

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((thanh trung) OR (thanh tung)) vap nhung cong tran ((thanh cha) OR (thanh phan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((thanh trung) or (thanh tung)) vap nhung cong tran ((thanh cha) OR (thanh phan))~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((thanh trung) or (thanh tung)) vap nhung cong tran ((thanh cha) OR (thanh phan))*.