Perhaps you should try some spelling variations:
soc doanh » so doanh, hoa doanh, voi doanh
doanh hoa » doanh khoa, doanh hoan, danh hoa
sach hoc » cach hoc, sach hoi, mach hoc
cuu nang » chuc nang, cam nang, cuu van
nang soc » nang doc, nang hoc, nang som
van phan » van phong, van thanh, luan phan
phan tao » nhan tao, phan tap, phan tan
su sach » so sach, vu sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach hoc tap, nghien cuu nang soc doanh hoa hoc ((xa hoi) or (chat thai)) van phan tao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach hoc tap, nghien cuu nang soc doanh hoa hoc ((xa hoi) OR (chat thai)) van phan tao.
• Adding a wildcard symbol may retrieve word variants: su sach hoc tap, nghien cuu nang soc doanh hoa hoc ((xa hoi) or (chat thai)) van phan tao*.