Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
theo chieu » theo tieu, ho chieu, theo chu
tranh luan » trinh luan, trinh luat, doanh luan
thep tieu » theo tieu, thep thiet, thep viet
van luong » van duong, van cuong, nang luong
luong van » luong va, duong van, luong vat
van van » tan van, san van, van vat

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) or (thep tieu)) tinh - hanh tranh luan van luong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (thep tieu)) tinh - hanh tranh luan van luong van van ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (thep tieu)) tinh - hanh tranh luan van luong van van ban*.