Perhaps you should try some spelling variations:
chau tinh » ha tinh, cua tinh, cac tinh
hanh dung » thanh dung, anh dung, hanh dong
luan ban » luan van, luan san, luan han
ban cong » bang cong, van cong, phan cong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » 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: theo ((((chau tinh) or (cuu tinh))) or (diep tinh)) - hanh dung luan ban cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chau tinh) OR (cuu tinh))) OR (diep tinh)) - hanh dung luan ban cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((((chau tinh) or (cuu tinh))) or (diep tinh)) - hanh dung luan ban cong san toan cau*.