Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cuu duong » cau duong, cuu dong, cuu tuong
duong cac » luong cac, dung cac, cuong cac
cac nganh » hoc nganh
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
nhan tai » hang tai, van tai, toan tai
cac thu » cach thuc, cac thoi
thu tap » thu thap, thuc tap, thu tai
xa thai » ca thai, a thai, da thai
su cac » tu cac, su cao, su can

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac thu tap, nghien cuu duong cac nganh khoa hoc ((xa thai) or (xa hoi)) van nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac thu tap, nghien cuu duong cac nganh khoa hoc ((xa thai) OR (xa hoi)) van nhan tai.
• Adding a wildcard symbol may retrieve word variants: su cac thu tap, nghien cuu duong cac nganh khoa hoc ((xa thai) or (xa hoi)) van nhan tai*.