Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
doanh luan » doanh nhan
anh doanh » hanh doanh, anh danh, doanh doanh
van cong » van dong, van phong, phan cong
cong san » cong tac
san hang » san chang, ban hang, van hang
hang ca » hang va, nang cao, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tinh) or (chieu sang)) - anh doanh luan van cong san hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu sang)) - anh doanh luan van cong san hang ca*.