Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
cong san » cong tac
pham cau » phan cau, pham ca, pha cau
pham can » pham van, pham lan, pham ca

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 - ((canh doanh) or (kinh doanh)) cua nhung cong san ((pham cau) OR (pham can))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((canh doanh) OR (kinh doanh)) cua nhung cong san ((pham cau) OR (pham can)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((canh doanh) or (kinh doanh)) cua nhung cong san ((pham cau) OR (pham can))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((canh doanh) or (kinh doanh)) cua nhung cong san ((pham cau) OR (pham can))*.