Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
hoc nganh » hoc nhanh
khung hoc » chung hoc, nhung hoc, thuong hoc
sanh hoc » sinh hoc, anh hoc, danh hoc
nhan dan » phan dau, gian dan, nhan tai
nhan va » nhan tai, nhan tao, phan van
cuu co » huu co, cua co, cuu mo
hoc xa » hoc ma
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: do sanh hoc tap, nghien cuu co hoc nganh khung hoc xa hoi ca ((nhan dan) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: do sanh hoc tap, nghien cuu co hoc nganh khung hoc xa hoi ca ((nhan dan) OR (nhan va)).
• Adding a wildcard symbol may retrieve word variants: do sanh hoc tap, nghien cuu co hoc nganh khung hoc xa hoi ca ((nhan dan) or (nhan va))*.