Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghe cua
nghiep vua » nghiep va, nghiep vu
nganh cong » nhanh chong, thanh cong
hoa nganh » hoc nganh, khoi nganh, hoa doanh
manh hoc » anh hoc, manh ho, manh hon
cong hoa » dong hoa, dong hoc, hang hoa
cong hoc » dong hoc, cong coc, cong ho
phan tao » nhan tao, phan tap, phan tan
tu manh » tu minh, tu hanh, vu manh
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: tu manh hoc tap, ((nghien cua) OR (nghiep vua)) cong hoa nganh cong hoc xa hoi va phan tao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu manh hoc tap, ((nghien cua) OR (nghiep vua)) cong hoa nganh cong hoc xa hoi va phan tao".
• Adding a wildcard symbol may retrieve word variants: tu manh hoc tap, ((nghien cua) OR (nghiep vua)) cong hoa nganh cong hoc xa hoi va phan tao*.