Perhaps you should try some spelling variations:
hoc doanh » hoa doanh, hoc danh, hoc dan
cach noi » cach thoi, hanh noi, anh noi
van nhan » van phan, van thanh, danh nhan
tu cach » tu cac
noi dai » noi da, noi doi, hoi dai
hoi van » hoi va, hoi dan, hai van
nhan va » nhan tai, nhan dan, nhan tao
cuu co » huu co, cua co, cuu mo

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach noi dai, nghien cuu co hoc doanh ((khoa hoc) or (hoa hoc)) xa hoi van nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach noi dai, nghien cuu co hoc doanh ((khoa hoc) OR (hoa hoc)) xa hoi van nhan va.
• Adding a wildcard symbol may retrieve word variants: tu cach noi dai, nghien cuu co hoc doanh ((khoa hoc) or (hoa hoc)) xa hoi van nhan va*.