Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
toc sach » hoc sach, doc sach, thuoc sach
ban hang » ngan hang
xuc ban » duc ban, cuc ban, quoc ban
hang di » hang doi, hang vi, hang dien
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
cao xuc » cam xuc, cao duc, cao suc
va cao » va cac, va co, va dao
x hoi » xa hoi, o hoi, x ho

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) or (toc sach)) ky nang x hoi. hieu va cao xuc ban hang di ((cua triet) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (toc sach)) ky nang x hoi. hieu va cao xuc ban hang di ((cua triet) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (toc sach)) ky nang x hoi. hieu va cao xuc ban hang di ((cua triet) or (va triet))*.