Perhaps you should try some spelling variations:
hang tai » hang va, dung tai
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
han tai » nhan tai, van tai, toan tai
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
ky tang » ky dang, kho tang, ky trong
ma hoi » mai hoi, xa hoi, ma hoa
xuc va » duc va, tuc va, luc va
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: tu sach ((ky tang) or (ky nang)) ma hoi. hieu vu cham xuc va ((han tai) or (hang tai)) va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky tang) OR (ky nang)) ma hoi. hieu vu cham xuc va ((han tai) OR (hang tai)) va thiet.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky tang) or (ky nang)) ma hoi. hieu vu cham xuc va ((han tai) or (hang tai)) va thiet*.