Perhaps you should try some spelling variations:
ngan khoa » nganh khoa, nhan khoa, nhuan khoa
mach hoc » cach hoc, anh hoc, bac hoc
dich hoc » sinh hoc, hinh hoc, tinh hoc
cuu cong » cua cong, thu cong, cac cong
cong luc » dong luc, cong suc, cong duc
luc ngan » luc nganh, luc nhan, luat ngan
khoa hoc » hoa hoc
nhan van » nhan dan, nhan va, phan van
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((mach hoc) or (dich hoc)) tap, nghien cuu cong luc ngan khoa hoc xa hoi ca nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((mach hoc) OR (dich hoc)) tap, nghien cuu cong luc ngan khoa hoc xa hoi ca nhan van.
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) or (dich hoc)) tap, nghien cuu cong luc ngan khoa hoc xa hoi ca nhan van*.