Perhaps you should try some spelling variations:
soc doanh » so doanh, hoa doanh, voi doanh
doanh hoa » doanh khoa, doanh hoan, danh hoa
cach hoc » cach thuc, cach thoi, dich hoc
cuu long » cuu cong, cuu tong, cuu nang
long soc » lon soc, luong suc, cong so
van nhan » van phan, van thanh, danh nhan
tu cach » tu cac
ca thai » chat thai, hoa thai
nhan va » nhan tai, nhan dan, nhan tao
xa hai » xa thai, xua hai, xa hoi

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 hoc tap, nghien cuu long soc doanh hoa hoc ((xa hai) or (ca thai)) van nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu long soc doanh hoa hoc ((xa hai) OR (ca thai)) van nhan va.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu long soc doanh hoa hoc ((xa hai) or (ca thai)) van nhan va*.