Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
khoa hoc » hoa hoc
phan van » thanh van, luan van, tran van
tu mach » tu cach, tu manh, tu hach
mo hoc » mon hoc, co hoc
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 mach hoc tap, nghien cuu mo hoc nganh khoa hoc xa hoi va ((phan van) OR (pham van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc tap, nghien cuu mo hoc nganh khoa hoc xa hoi va ((phan van) OR (pham van))".
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu mo hoc nganh khoa hoc xa hoi va ((phan van) OR (pham van))*.