Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
cach thuc » anh thuc, cac thu
hoc nhanh » hoc nganh, hoc phan
cach hoc » cach thoi, dich hoc, cac hop
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
thuoc xa » thuoc ma, thuoc va, thuoc la
nhan dan » phan dau, gian dan, nhan tai
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: su ((cach hoc) OR (cach thuc)) tap, nghien cuu cong hoc nhanh khong thuoc xa hoi va nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((cach hoc) OR (cach thuc)) tap, nghien cuu cong hoc nhanh khong thuoc xa hoi va nhan dan".
• Adding a wildcard symbol may retrieve word variants: su ((cach hoc) OR (cach thuc)) tap, nghien cuu cong hoc nhanh khong thuoc xa hoi va nhan dan*.