Perhaps you should try some spelling variations:
doanh khoa » toan khoa
ngoai tap » ngoai tac, ngoai tai, ngoai tru
coc doanh » cac doanh, hoa doanh, cho doanh
cuu cong » cua cong, thu cong, cac cong
cong coc » cong cuoc, cong cac, cong co
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
tu cach » tu cac
noi tap » toi tap, noi tiep, noi thai
hoi van » hoi va, hoi dan, hai van
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 ((noi tap) OR (ngoai tap)), nghien cuu cong coc doanh khoa hoc xa hoi van nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach ((noi tap) OR (ngoai tap)), nghien cuu cong coc doanh khoa hoc xa hoi van nhan va".
• Adding a wildcard symbol may retrieve word variants: tu cach ((noi tap) OR (ngoai tap)), nghien cuu cong coc doanh khoa hoc xa hoi van nhan va*.