Perhaps you should try some spelling variations:
nganh cong » nhanh chong, thanh cong
thuat van » thuat san, thuat va, thuat ban
coc nganh » hoc nganh, cac nganh, chuc nganh
cuu cong » cua cong, thu cong, cac cong
cong coc » cong cuoc, cong cac, cong co
nhan dan » phan dau, gian dan, nhan tai
hoa tap » khoa tap, hoc tap, hoa tan
hoi cac » hoc cac, voi cac, hoa cac
coc xa » hoc xa, cac xa, coc ha
hoi ca » hoi cua, hoi cau, hoi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat van hoa tap, nghien cuu cong coc nganh cong coc xa ((hoi ca) OR (hoi cac)) nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat van hoa tap, nghien cuu cong coc nganh cong coc xa ((hoi ca) OR (hoi cac)) nhan dan".
• Adding a wildcard symbol may retrieve word variants: thuat van hoa tap, nghien cuu cong coc nganh cong coc xa ((hoi ca) OR (hoi cac)) nhan dan*.