Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thanh di » thanh doi, thanh de, thanh do
xa thanh » va thanh, ha thanh, ta thanh
cham tuc » nham thuc, pham thuc, tham thuc
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tu sach » thu sach, su sach, te sach
bo sach » co sach, hoc sach
di cua » dai cua, doi cua, de cua
x hoi » xa hoi, x ho, 5 hoi
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: ((tu sach) or (bo sach)) ky nang ((x hoi) or (o hoi)). hieu ve cham tuc xa thanh di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (bo sach)) ky nang ((x hoi) OR (o hoi)). hieu ve cham tuc xa thanh di cua viet.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (bo sach)) ky nang ((x hoi) or (o hoi)). hieu ve cham tuc xa thanh di cua viet*.