Perhaps you should try some spelling variations:
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hoc nhanh » hoc nganh, hoc phan
khong hoc » khung hoc, thong hoc, khong chuc
cach hoc » cach thuc, cach thoi, dich hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan dan, nhan va, phan van
tu cach » tu cac
va nhan » van nhan, ca nhan, va phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu cong hoc nhanh ((khong hoc) or (khong thuoc)) xa hoi va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu cong hoc nhanh ((khong hoc) OR (khong thuoc)) xa hoi va nhan van.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu cong hoc nhanh ((khong hoc) or (khong thuoc)) xa hoi va nhan van*.