Perhaps you should try some spelling variations:
cuu tuong » cuu thuong, cuu tong, cuu phuong
benh phau » benh nhan, benh phoi
cach hoc » cach thuc, cach thoi, dich hoc
hoc danh » hoc anh, hoc hanh, hoc nganh
hoi benh » hoc benh, hoa benh, hoi binh
phau dau » phan dau, thau dau, pham dau
tu cach » tu cac
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cuu tuong ((hoc danh) or (hoc dan)) hoa hoc ma hoi benh phau dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu tuong ((hoc danh) OR (hoc dan)) hoa hoc ma hoi benh phau dau.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu tuong ((hoc danh) or (hoc dan)) hoa hoc ma hoi benh phau dau*.