Perhaps you should try some spelling variations:
kho tang » cao tang
hang tai » hang va, dung tai
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
va hang » van hang, va nang, va lang
ve cham » va cham, ve chat, vu cham
lai hoa » dai hoa, loai hoc
hieu ve » hieu va, hieu van
lai hoi » dai hoi, lai roi, mai hoi
xuc va » duc va, tuc va, luc va
tai va » thai va, mai va, tri 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 ((kho tang) or (ky nang)) ((lai hoi) OR (lai hoa)). hieu ve cham xuc va hang tai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((kho tang) OR (ky nang)) ((lai hoi) OR (lai hoa)). hieu ve cham xuc va hang tai va thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((kho tang) or (ky nang)) ((lai hoi) OR (lai hoa)). hieu ve cham xuc va hang tai va thiet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((kho tang) or (ky nang)) ((lai hoi) OR (lai hoa)). hieu ve cham xuc va hang tai va thiet*.