Perhaps you should try some spelling variations:
chong thuoc » khong thuoc, cong thuc, dong thuoc
hong phuoc » hoang phuong
hoc nhanh » hoc nganh, hoc phan
cach hoc » cach thuc, cach thoi, dich hoc
cua gian » cua giang, cua giao, cua gia
gian dan » gian lang
su cach » su sach, tu cach, su cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoi cua » hoi chuc
va hoi » xa hoi, va hoc, va hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cach hoc tap, nghien cuu mon hoc nhanh ((chong thuoc) OR (hong phuoc)) va hoi cua gian dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cach hoc tap, nghien cuu mon hoc nhanh ((chong thuoc) OR (hong phuoc)) va hoi cua gian dan".
• Adding a wildcard symbol may retrieve word variants: su cach hoc tap, nghien cuu mon hoc nhanh ((chong thuoc) OR (hong phuoc)) va hoi cua gian dan*.