Perhaps you should try some spelling variations:
cuu tre » cua tre, cau tren, cau treo
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
ve cham » va cham, ve chat, ve chim
danh vi » dinh vi, danh di, danh va
vu cham » va cham, vu kham, tu cham
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky lang ha hoi. hieu ((ve cham) or (vu cham)) hoc va ((danh vi) or (hanh vi)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky lang ha hoi. hieu ((ve cham) OR (vu cham)) hoc va ((danh vi) OR (hanh vi)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu san ky lang ha hoi. hieu ((ve cham) or (vu cham)) hoc va ((danh vi) or (hanh vi)) cuu tre*.