Perhaps you should try some spelling variations:
cuu thong » cuu thuong, cuu tong, cuu chong
thong hoc » thuong hoc, tuong hoc, thong hoa
nhan khoa » nha khoa, khuan khoa, toan khoa
hoc nhan » hoc nhanh, nhoc nhan, hoc phan
khoa hoc » hoa hoc
va gianh » van giang, va giai, va thanh
tu manh » tu minh, tu hanh, vu manh
manh ho » manh hon, minh hoa, danh hoa
va gian » van gian, va giai, va gia
ho tap » hoc tap, ho hap, ho tai
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 manh ho tap, nghien cuu thong hoc nhan khoa hoc xa hoi ((va gian) or (va gianh)) dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu manh ho tap, nghien cuu thong hoc nhan khoa hoc xa hoi ((va gian) OR (va gianh)) dan.
• Adding a wildcard symbol may retrieve word variants: tu manh ho tap, nghien cuu thong hoc nhan khoa hoc xa hoi ((va gian) or (va gianh)) dan*.