Perhaps you should try some spelling variations:
khang thuoc » khong thuoc, hanh thuoc, khau thuoc
dang thuoc » dung thuoc
cuu tuong » cuu thuong, cuu tong, cuu phuong
tuong ho » tong hop
ho nganh » hoc nganh, khoi nganh, moi nganh
cao phan » co phan, cho phan, cac phan
phan dau » phan tu, hang dau
kon anh » dong anh, hong anh, kon mach
anh hoc » sinh hoc, benh hoc, hinh hoc
hoi cao » hoc cao, hoi co, hoi cho
va hoi » xa hoi, va hoc, va hoa

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