Perhaps you should try some spelling variations:
mach hoc » cach hoc, dich hoc, bac hoc
hoc ngan » hoc nganh, boc ngan, hoc nga
hang hoc » hang hoa, nang hoc, bang hoc
dan phan » doan phan, dan chan, van phan
anh hoc » sinh hoc, benh hoc, hinh hoc
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
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) OR (anh hoc)) tap, nghien cuu mon hoc ngan hang hoc xa hoi dan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((mach hoc) OR (anh hoc)) tap, nghien cuu mon hoc ngan hang hoc xa hoi dan phan tu".
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) OR (anh hoc)) tap, nghien cuu mon hoc ngan hang hoc xa hoi dan phan tu*.