Perhaps you should try some spelling variations:
thong khoa » tuong khoa, hong khoa, phong khoa
truong hoc » trung hoc, tuong ho, truong bo
hoc nhanh » hoc nganh, hoc phan
cach hoc » cach thuc, cach thoi, dich hoc
cuu long » cuu cong, cuu tong, cuu nang
long hoc » dong hoc, long soc, long thuoc
gian dan » gian lang
su cach » su sach, tu cach, su cac
va gian » va gianh, van gian, va giai

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 long hoc nhanh ((thong khoa) or (truong hoc)) xa hoi va gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach hoc tap, nghien cuu long hoc nhanh ((thong khoa) OR (truong hoc)) xa hoi va gian dan.
• Adding a wildcard symbol may retrieve word variants: su cach hoc tap, nghien cuu long hoc nhanh ((thong khoa) or (truong hoc)) xa hoi va gian dan*.