Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
chua nang » chuc nang, chua xang, kha nang
luc nganh » luc ngan, chuc nganh, luat nganh
sach hoi » sach doi, sach moi, cach thoi
cuu nang » chuc nang, cam nang, cuu van
khoa hoc » hoa hoc
nhan tai » hang tai, van tai, toan tai
so sach » so sanh, bo sach, co sach
hoi tap » hoi dap, hoc tap, hoi tai
va nhan » van nhan, ca nhan, va phan
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: so sach hoi tap, nghien ((cuu nang) or (chua nang)) luc nganh khoa hoc xa hoi va nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach hoi tap, nghien ((cuu nang) OR (chua nang)) luc nganh khoa hoc xa hoi va nhan tai.
• Adding a wildcard symbol may retrieve word variants: so sach hoi tap, nghien ((cuu nang) or (chua nang)) luc nganh khoa hoc xa hoi va nhan tai*.