Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
van nhuong » van chuong, van phuong, van huong
doi chieu » doc hieu, doi chi, ho chieu
hanh luan » khanh luan, hang luan, hanh luat
cong tan » cong tac, cong san, cong thanh
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: doi chieu tinh - hanh luan van nhuong ((cong dong) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh luan van nhuong ((cong dong) OR (cong tan)) toan cau*.