Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh dai » hanh tai, hanh dao, vanh dai
va hanh » van hanh, va thanh, va danh
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
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: te san ky nang ((x hoi) OR (o hoi)). hieu ((va cam) or (cao chat)) tuc va hanh dai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang ((x hoi) OR (o hoi)). hieu ((va cam) OR (cao chat)) tuc va hanh dai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky nang ((x hoi) OR (o hoi)). hieu ((va cam) or (cao chat)) tuc va hanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: te san ky nang ((x hoi) OR (o hoi)). hieu ((va cam) or (cao chat)) tuc va hanh dai cua triet*.