Perhaps you should try some spelling variations:
danh doi » danh di, thanh doi, dung doi
hieu va » lieu va, hieu qua
doi cua » dai cua, hoi cua, dong cua
cua tre » cua te, cuu tre, cua triet
vu san » va san, vu ban
san ky » sang ky, van ky, dan ky
va cam » va cham, va cac, va cao
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
x hoi » o hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu san ky nang ((x hoi) or (xa hoi)). hieu va cam ((xuc va) or (tuc va)) danh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ky nang ((x hoi) OR (xa hoi)). hieu va cam ((xuc va) OR (tuc va)) danh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu san ky nang ((x hoi) or (xa hoi)). hieu va cam ((xuc va) or (tuc va)) danh doi cua tre*.