Perhaps you should try some spelling variations:
danh doi » danh di, thanh doi, dung doi
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam luc » cam xuc, cau luc
va danh » va dinh, va dan, va hanh
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
te sai » te tai, te bai, te lai
sai ky » sac ky
nang o » nang co, nang ho, nang ro
luc va » duc va, tuc va, loc va
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 sai ky nang o hoi. ((hieu ve) or (hieu va)) cam luc va danh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang o hoi. ((hieu ve) OR (hieu va)) cam luc va danh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sai ky nang o hoi. ((hieu ve) or (hieu va)) cam luc va danh doi cua tre*.