Perhaps you should try some spelling variations:
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thong hoc
tuong hoc » truong hoc, tuong ho, duong hoc
toc sach » hoc sach, doc sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » thong hoc, trong hoc, tong hop
phan van » pham van, thanh van, luan van
va phan » van phan, va phat, va phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach hoc tap, nghien cuu tong hoc nhanh ((chong hoc) or (tuong hoc)) xa hoi va phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach hoc tap, nghien cuu tong hoc nhanh ((chong hoc) OR (tuong hoc)) xa hoi va phan van.
• Adding a wildcard symbol may retrieve word variants: toc sach hoc tap, nghien cuu tong hoc nhanh ((chong hoc) or (tuong hoc)) xa hoi va phan van*.