Perhaps you should try some spelling variations:
thieu sach » chieu sach, hieu cach, theo sach
thien hach » thien thanh, hien hanh
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong san » cong tac
san quan » van quan, ban quan, dan quan
quan cau » quang cao, toan cau, quan ha

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) or (thien hach)) - ((hanh chinh) or (canh tranh)) quan dung cong san quan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (thien hach)) - ((hanh chinh) OR (canh tranh)) quan dung cong san quan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) or (thien hach)) - ((hanh chinh) or (canh tranh)) quan dung cong san quan cau*.