Perhaps you should try some spelling variations:
mot thuoc » mot thuc, hoc thuoc, don thuoc
tren khoa » trien khoa, tran khoa, tien khoan
dich hoc » hinh hoc, tinh hoc, kinh hoc
khoa hoc » hoa hoc
cuu mot » cua mot, cuu mo, huu mot
ma hoi » mai hoi, xa hoi, ma hoa
phat » phan, pham, phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((dich hoc) or (sinh hoc)) tap, nghien cuu mot thuoc tren khoa hoc ma hoi va phat vi~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((dich hoc) OR (sinh hoc)) tap, nghien cuu mot thuoc tren khoa hoc ma hoi va phat vi.
• Adding a wildcard symbol may retrieve word variants: tu ((dich hoc) or (sinh hoc)) tap, nghien cuu mot thuoc tren khoa hoc ma hoi va phat vi*.