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