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
cuu tong » cuu cong, cuu tinh, cuu nang
khoa hoc » hoa hoc
gian dan » gian lang
tu mach » tu cach, tu manh, tu hach
va gian » va gianh, van gian, va giai
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 tong) OR (huu tung)) hoc nganh khoa hoc xa hoi va gian dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc tap, nghien ((cuu tong) OR (huu tung)) hoc nganh khoa hoc xa hoi va gian dan".
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien ((cuu tong) OR (huu tung)) hoc nganh khoa hoc xa hoi va gian dan*.