Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
khanh hoa » thanh hoa, hang hoa
hut sinh » huy sinh, hut binh, thuat sinh
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
cua nhan » ca nhan, cua ngan, cua nha
nhan dan » phan dau, gian dan, nhan tai
hoi cua » hoi chuc
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: hut sinh hoc tap, nghien cuu cong hoc ((nganh khoa) or (khanh hoa)) hoc xa hoi cua nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hut sinh hoc tap, nghien cuu cong hoc ((nganh khoa) OR (khanh hoa)) hoc xa hoi cua nhan dan.
• Adding a wildcard symbol may retrieve word variants: hut sinh hoc tap, nghien cuu cong hoc ((nganh khoa) or (khanh hoa)) hoc xa hoi cua nhan dan*.