Perhaps you should try some spelling variations:
hoc chieu » hoc thieu, ho chieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
tranh vat » trinh vat, tranh va, tranh van
hang cong » dang cong, hang nong, bang cong
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
vat hang » van hang, dat hang, va hang
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (doi chieu)) sach - canh tranh vat hang cong luan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (doi chieu)) sach - canh tranh vat hang cong luan phan lap.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (doi chieu)) sach - canh tranh vat hang cong luan phan lap*.