Perhaps you should try some spelling variations:
chong cong » cong cong, thong cong, cuong cong
thi chieu » thi chien, thi hieu, theo chieu
van chong » van chuong, van phong, van cong
anh tran » anh tuan, anh toan, anh trac
tran van » luan van
hanh cac » hang cac, hanh cat, hanh cham
ty hanh » ty thanh, ly hanh, tu hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thi chieu) or (theo tieu)) sach - anh tran van chong cong ty hanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (theo tieu)) sach - anh tran van chong cong ty hanh cac*.