Perhaps you should try some spelling variations:
thuat mach » thuat sach, thuat tach, thuyet mach
nghien huu » nghien cuu, nguyen huu, nhiem huu
nganh khoa » nganh hoa, nganh khong, doanh khoa
goc nganh » hoc nganh, hoc nhanh, cac nganh
thanh van » thanh san, thanh toan, thanh phan
mach hoc » cach hoc, dich hoc, anh hoc
khoa hoc » hoa hoc
phan van » pham van, luan van, tran van
huu mot » cuu mot, huy mot, hieu mot
hoi van » hoi va, hoi dan, hai van
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: thuat mach hoc tap, nghien huu mot goc nganh khoa hoc xa hoi van ((phan van) OR (thanh van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat mach hoc tap, nghien huu mot goc nganh khoa hoc xa hoi van ((phan van) OR (thanh van))".
• Adding a wildcard symbol may retrieve word variants: thuat mach hoc tap, nghien huu mot goc nganh khoa hoc xa hoi van ((phan van) OR (thanh van))*.