Perhaps you should try some spelling variations:
khoa nganh » khoi nganh, hoc nganh
nganh nang » nganh nong, ganh nang, ngan hang
cuu toan » cuu hoan, cua toan, huu toan
nang hoc » nang doc, nang luc, dong hoc
nhan dan » phan dau, gian dan
nhan tai » hang tai, van tai, toan tai
anh hoc » sinh hoc, benh hoc, hinh hoc
tu anh » tu hanh, tu manh, thu anh
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 anh hoc tap, nghien cuu toan khoa nganh nang hoc xa hoi va ((nhan dan) OR (nhan tai))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu anh hoc tap, nghien cuu toan khoa nganh nang hoc xa hoi va ((nhan dan) OR (nhan tai))".
• Adding a wildcard symbol may retrieve word variants: tu anh hoc tap, nghien cuu toan khoa nganh nang hoc xa hoi va ((nhan dan) OR (nhan tai))*.