Perhaps you should try some spelling variations:
phan luong » phan xuong, phan thuong, phan truong
thanh hang » thanh hoang, thanh thang, tranh hang
phu luong » thu huong, cu luong, huy luong
hoa thanh » hoan thanh, ha thanh, hoc thanh
khau luan » khoa luan, phap luan, pham luan
sach hoc » cach hoc, sach hoi, mach hoc
hoi khau » thoi khac, hoi chu, hoi khoa
su sach » so sach, vu sach
va xa » va xac, va xay, va xu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoc tap, nghien ((phu luong) OR (phan luong)) hoa thanh hang va xa hoi khau luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoc tap, nghien ((phu luong) OR (phan luong)) hoa thanh hang va xa hoi khau luan van".
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien ((phu luong) OR (phan luong)) hoa thanh hang va xa hoi khau luan van*.