Perhaps you should try some spelling variations:
thanh phan » thanh pho, thanh san, thanh toan
cua triet » cua viet, su triet, va triet
ban thanh » ban hanh, ban hang
phan cua » nhan cua, than cua, phat cua
thu sach » thuat sach, thuoc sach, thu hoach
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
tu sach » su sach, te sach, tu cach
va cam » va cham, va cac, va cao
o hoi » co hoi, o hoc, o hai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) OR (tu sach)) ky nang ((xa hoi) or (o hoi)). hieu va cam xuc ban thanh phan cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) ky nang ((xa hoi) OR (o hoi)). hieu va cam xuc ban thanh phan cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (tu sach)) ky nang ((xa hoi) or (o hoi)). hieu va cam xuc ban thanh phan cua triet".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) OR (tu sach)) ky nang ((xa hoi) or (o hoi)). hieu va cam xuc ban thanh phan cua triet*.