Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
ky hang » ky nang, ly hang, ky dang
hieu va » lieu va, hieu qua
danh de » hanh de, dan de, dang de
loc va » hoc va
de cua » le cua, te cua, dieu cua
tuc va » thuc va, truc va, tuc xa
vu sai » vu hai, vu san, vu dai
sai ky » sac ky
luc va » duc va
va cao » va cac, va co, va dao
va hoi » xa hoi, va hoc, va hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sai ky hang va hoi. hieu va cao ((((luc va) or (loc va))) or (tuc va)) danh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sai ky hang va hoi. hieu va cao ((((luc va) OR (loc va))) OR (tuc va)) danh de cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sai ky hang va hoi. hieu va cao ((((luc va) or (loc va))) or (tuc va)) danh de cua tre*.