Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
cong danh » cuong danh, cong dan, cong thanh
danh nhan » doanh nhan, thanh nhan, benh nhan
van cong » van dong, van phong, phan cong
nhan van » nhan dan, nhan va, phan van

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) or (chieu sang)) - hanh trinh luan van cong danh nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (chieu sang)) - hanh trinh luan van cong danh nhan van*.