Perhaps you should try some spelling variations:
hang khoa » dung khoa
mach hoc » cach hoc, dich hoc, anh hoc
san khoa » toan khoa, da khoa, von khoa
tu mach » tu cach, tu manh, tu hach
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
tinh va » tich va, trinh van, trinh vat
hoc xa » hoc ma
ho cuu » ho chu, ho cua, so cuu
xa ho » xa hoi, xa hoa, xa hoc

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 mot hoc ((san khoa) or (hang khoa)) hoc xa ho cuu tinh va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc tap, nghien cuu mot hoc ((san khoa) OR (hang khoa)) hoc xa ho cuu tinh va.
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu mot hoc ((san khoa) or (hang khoa)) hoc xa ho cuu tinh va*.