Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
dan doanh » van doanh, san doanh, ban doanh
mach hoc » cach hoc, dich hoc, anh hoc
khoa hoc » hoa hoc
tu mach » tu cach, tu manh, tu hach
cuu mot » cua mot, huu mot, cuu vuot
hoi dan » hoa dan, hoc dan, hoi dap
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) or (cuu mot)) hoc nganh khoa hoc xa hoi dan doanh tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien ((cuu mo) OR (cuu mot)) hoc nganh khoa hoc xa hoi dan doanh tai.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien ((cuu mo) or (cuu mot)) hoc nganh khoa hoc xa hoi dan doanh tai*.