Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
coc nganh » hoc nganh, cac nganh, chuc nganh
cuu cong » cua cong, thu cong, cac cong
cong coc » cong cuoc, cong cac, cong co
khoa hoc » hoa hoc
tan tuan » tran tuan, than tuan, tan tran
van tuan » van quan, van ban, anh tuan
thu tin » thuc tin, tu tin, thu hien
tin hoc » sinh hoc
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu tin hoc tap, nghien cuu cong coc nganh khoa hoc xa hai ((tan tuan) or (van tuan)) san~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu tin hoc tap, nghien cuu cong coc nganh khoa hoc xa hai ((tan tuan) OR (van tuan)) san.
• Adding a wildcard symbol may retrieve word variants: thu tin hoc tap, nghien cuu cong coc nganh khoa hoc xa hai ((tan tuan) or (van tuan)) san*.