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