Perhaps you should try some spelling variations:
nhanh hung » thanh hung, nhanh hong, nhanh chuong
hoc nhanh » hoc nganh, hoc phan
sach hoc » cach hoc, sach hoi, mach hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
hung hoc » chung hoc, khung hoc, nhung hoc
tu sach » thu sach, su sach, te sach
phan ba » phan bo, phan dau, phan lap
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma

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 hoc tap, nghien cuu cong hoc nhanh hung hoc xa hoi va ((phan ba) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cuu cong hoc nhanh hung hoc xa hoi va ((phan ba) OR (nhan va)).
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu cong hoc nhanh hung hoc xa hoi va ((phan ba) or (nhan va))*.