Perhaps you should try some spelling variations:
han thai » han tai, ban thai, van thai
cham xuc » cam xuc, chat xuc, cham soc
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
xuc van » duc van, luc van, vuc van
van han » van hanh, van phan, van nhan
thai va » thai van
x hoi » xa hoi, o hoi, 5 hoi
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) or (cac ky)) nang ((x hoi) OR (x ho)). hieu ve cham xuc van han thai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ky) OR (cac ky)) nang ((x hoi) OR (x ho)). hieu ve cham xuc van han thai va thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ky) or (cac ky)) nang ((x hoi) OR (x ho)). hieu ve cham xuc van han thai va thiet".
• Adding a wildcard symbol may retrieve word variants: su ((sach ky) or (cac ky)) nang ((x hoi) OR (x ho)). hieu ve cham xuc van han thai va thiet*.