Perhaps you should try some spelling variations:
nghien cac » nghiep cach, nghien cuu, nghiep cay
khoi nganh » hoc nganh, moi nganh
hoa nganh » hoc nganh, hoa doanh, hoa thanh
cac cong » cua cong
cong hoc » dong hoc, cong hoa, cong coc
anh hoc » sinh hoc, benh hoc, hinh hoc
nhan va » nhan tai, nhan dan, nhan tao
tu anh » tu hanh, tu manh, thu anh
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu anh hoc tap, nghien cac cong ((hoa nganh) or (khoi nganh)) cong hoc xa hoi ca nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu anh hoc tap, nghien cac cong ((hoa nganh) OR (khoi nganh)) cong hoc xa hoi ca nhan va.
• Adding a wildcard symbol may retrieve word variants: tu anh hoc tap, nghien cac cong ((hoa nganh) or (khoi nganh)) cong hoc xa hoi ca nhan va*.