Perhaps you should try some spelling variations:
ky hang » ky nang, ly hang, ky dang
hieu va » lieu va, hieu qua
danh de » hanh de, dan de, dang de
cua tre » cua te, cuu tre, cua triet
vu van » tu van
va hoi » xa hoi, va hoc, va hoa
va cam » va cham, va cac, va cao
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
de cua » le cua, te cua, dieu cua

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

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