Perhaps you should try some spelling variations:
nganh tuong » nganh cong, manh tuong, nganh nong
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
tuong ho » tong hop
tu mach » tu cach, tu manh, tu hach
va nhan » van nhan, ca nhan, va nha
va phan » van phan, va phat, va phap
ho xa » hoa xa, hoc xa, cho xa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu mach hoc tap, nghien huu co hoc nganh tuong ho xa hoi ((va nhan) or (va phan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien huu co hoc nganh tuong ho xa hoi ((va nhan) OR (va phan)) van.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien huu co hoc nganh tuong ho xa hoi ((va nhan) or (va phan)) van*.