Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
trong san » trong cac, dong san, trong ca
tung cua » trung cua, tuong cua, dung cua
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan 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 - thanh tung cua dung ((trong san) or (cong san)) ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tung cua dung ((trong san) OR (cong san)) ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tung cua dung ((trong san) or (cong san)) ((toan tai) or (toan cao))*.