Perhaps you should try some spelling variations:
nganh khang » nganh khong, ngan hang, nhanh thang
khang thuoc » khong thuoc, dang thuoc, hanh thuoc
cuu tuong » cuu thuong, cuu tong, cuu phuong
tuong hoc » truong hoc, tuong ho, duong hoc
hoc nganh » hoc nhanh
thuoc va » thuc va, thuoc ma, thuong va
phan dau » phan tu
hang dau » hang va, hang tai
kon anh » dong anh, hong anh, kon mach
anh hoc » sinh hoc, benh hoc, hinh hoc
va hoi » xa hoi, va hoc, va hoa
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: kon anh hoc tap, nghien cuu tuong hoc nganh khang thuoc va hoi ca ((phan dau) OR (hang dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "kon anh hoc tap, nghien cuu tuong hoc nganh khang thuoc va hoi ca ((phan dau) OR (hang dau))".
• Adding a wildcard symbol may retrieve word variants: kon anh hoc tap, nghien cuu tuong hoc nganh khang thuoc va hoi ca ((phan dau) OR (hang dau))*.