Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, pham duc
van nhan » van phan, van thanh, danh nhan
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
tai va » thai va, mai va, dai va
x hoi » xa hoi, o hoi, x ho
thiet » thieu

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 ky nang x hoi. hieu ve ((cham xuc) OR (cham soc)) van nhan ((tai va) or (tri va)) thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang x hoi. hieu ve ((cham xuc) OR (cham soc)) van nhan ((tai va) OR (tri va)) thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang x hoi. hieu ve ((cham xuc) OR (cham soc)) van nhan ((tai va) or (tri va)) thiet".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang x hoi. hieu ve ((cham xuc) OR (cham soc)) van nhan ((tai va) or (tri va)) thiet*.