Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
tuan nhung » tuan hung, thuat nhung, tranh nhung
quan nhung » qua nhung, cua nhung, luan chung
chi sach » chinh sach, chieu sach, co sach
cong tan » cong tac, cong san, cong thanh
tan luan » tang luan, toan luan, dan luan
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - hanh trinh ((tuan nhung) or (quan nhung)) cong tan luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - hanh trinh ((tuan nhung) OR (quan nhung)) cong tan luan van*.