Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
thuc thai » thuc pham, thuc thuc
nhan khoa » nha khoa, khuan khoa, toan khoa
chuc nhan » thuc nhan, chuc nganh, chung nhan
cong hoc » dong hoc, cong hoa, cong coc
hoc nhan » hoc nhanh, nhoc nhan, hoc phan
khoa hoc » hoa hoc
tu cach » tu cac
nhan va » nhan tai, nhan dan, nhan tao
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: tu cach ((thuc thai) or (toc thai)), nghien cua cong hoc nhan khoa hoc xa hoi chuc nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach ((thuc thai) OR (toc thai)), nghien cua cong hoc nhan khoa hoc xa hoi chuc nhan va.
• Adding a wildcard symbol may retrieve word variants: tu cach ((thuc thai) or (toc thai)), nghien cua cong hoc nhan khoa hoc xa hoi chuc nhan va*.