Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
chung hoc » trung hoc, hung hoa, phung ho
sach hoc » cach hoc, sach hoi, mach hoc
dung hoc » dong hoc, dung thuoc, trung hoc
tu sach » thu sach, su sach, te sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
ma khoa » may khoa, mai khoa, da khoa
van va » van vat, van van, ban va
luan » quan, lan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach hoc tap, nghien cuu mon hoc nganh ((chung hoc) or (dung hoc)) ma khoa luan van va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cuu mon hoc nganh ((chung hoc) OR (dung hoc)) ma khoa luan van va.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu mon hoc nganh ((chung hoc) or (dung hoc)) ma khoa luan van va*.