Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
sang mai » sang ma, sang tai, lang mai
hieu van » hieu va, thien van, lieu va
su sach » vu sach
hanh ca » hanh cac, hanh cat, hanh cua
va hanh » van hanh, va thanh, va danh
su tien » su kien, su hien, tu tieng
hieu ve » hieu va
mai hoi » mai khoi, dai hoi, lai hoi
ky sang » ky nang, ky dang, ky tang
so sach » so sanh, bo sach, co sach
xuc va » duc va, tuc va, luc va
ca su » cua su, cao su, ca sau

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) or (so sach)) ky sang mai hoi. ((hieu ve) or (hieu van)) cham xuc va hanh ca su tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sach)) ky sang mai hoi. ((hieu ve) OR (hieu van)) cham xuc va hanh ca su tien.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ky sang mai hoi. ((hieu ve) or (hieu van)) cham xuc va hanh ca su tien*.