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

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 (anh hoc)) tap, nghien cuu cong luc nganh khoa hoc ma hoi cua nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((mach hoc) OR (anh hoc)) tap, nghien cuu cong luc nganh khoa hoc ma hoi cua nhan van.
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) or (anh hoc)) tap, nghien cuu cong luc nganh khoa hoc ma hoi cua nhan van*.