Perhaps you should try some spelling variations:
suat nganh » luat nganh, thuat nganh, luat ngan
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach thuc » anh thuc, cac thu
cong suat » nang suat, cong san, cong cua
dich hoc » sinh hoc, hinh hoc, tinh hoc
cuu cong » cua cong, thu cong, cac cong
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
nhan van » nhan dan, nhan va, phan van
hoi van » hoi va, hoi dan, hai van
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 ((dich hoc) or (cach thuc)) tap, nghien cuu cong suat nganh khoa hoc xa hoi van nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((dich hoc) OR (cach thuc)) tap, nghien cuu cong suat nganh khoa hoc xa hoi van nhan van.
• Adding a wildcard symbol may retrieve word variants: tu ((dich hoc) or (cach thuc)) tap, nghien cuu cong suat nganh khoa hoc xa hoi van nhan van*.