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 sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
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 sac ky nang ((x hoi) or (xa hoi)). hieu va cam ((xuc va) or (tuc xa)) danh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang ((x hoi) OR (xa hoi)). hieu va cam ((xuc va) OR (tuc xa)) danh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang ((x hoi) or (xa hoi)). hieu va cam ((xuc va) or (tuc xa)) danh doi cua tre*.