Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
thu luong » thu huong, thu tuong, phu luong
chong hoc » chung hoc, chong doc, thong hoc
sach hoi » sach doi, sach moi, cach thoi
luong ha » luong va, long ha, luong khoa
ha nhanh » ha thanh, nhan nhanh, khao nhanh
tu sach » thu sach, su sach, te sach
hoi tai » hoc tai, hoi trac
mai hoi » mai khoi, dai hoi, lai hoi
cu luan » tu luan, su luan, luc luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach hoi tai, nghien thu luong ha nhanh chong hoc ((xa hoi) or (mai hoi)) cu luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoi tai, nghien thu luong ha nhanh chong hoc ((xa hoi) OR (mai hoi)) cu luan van.
• Adding a wildcard symbol may retrieve word variants: tu sach hoi tai, nghien thu luong ha nhanh chong hoc ((xa hoi) or (mai hoi)) cu luan van*.