Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
luc nganh » luc ngan, chuc nganh, luat nganh
sach hoi » sach doi, sach moi, cach thoi
cuu nang » cam nang, cuu van, cao nang
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
chuc » thuc, chu, chua

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 (chuc nang)) luc nganh khoa hoc xa hoi va nhan tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach hoi tap, nghien ((cuu nang) OR (chuc 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 (chuc nang)) luc nganh khoa hoc xa hoi va nhan tai*.