Perhaps you should try some spelling variations:
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
don vai » don vi, don va, den vai
vu cham » va cham, vu kham, tu cham
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, ve chat, ve chim
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky danh
xuc va » duc va, tuc va, luc va
va don » va dong, va doc, va do

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky dang) or (ky nang)) xay hoi. hieu ((ve cham) OR (vu cham)) xuc va don vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky dang) OR (ky nang)) xay hoi. hieu ((ve cham) OR (vu cham)) xuc va don vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky dang) or (ky nang)) xay hoi. hieu ((ve cham) OR (vu cham)) xuc va don vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky dang) or (ky nang)) xay hoi. hieu ((ve cham) OR (vu cham)) xuc va don vai cua tre*.