Perhaps you should try some spelling variations:
nghiem duoc » nghiem thuoc, nghe duoc
thuoc cach » thuoc sach, thuc cach, truoc cach
duoc dong » duc dong, dao dong, dung dong
ngan khoa » nganh khoa, nhan khoa, nhuan khoa
cach hoc » cach thuc, cach thoi, dich hoc
dong luc » nang luc
luc ngan » luc nganh, luc nhan, luat ngan
khoa hoc » hoa hoc
phan van » pham van, thanh van, luan van
hoi van » hoi va, hoi dan, hai van
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: thuoc cach hoc tap, nghiem duoc dong luc ngan khoa hoc xa ((hoi van) or (hoa dan)) phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc cach hoc tap, nghiem duoc dong luc ngan khoa hoc xa ((hoi van) OR (hoa dan)) phan van.
• Adding a wildcard symbol may retrieve word variants: thuoc cach hoc tap, nghiem duoc dong luc ngan khoa hoc xa ((hoi van) or (hoa dan)) phan van*.