Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
dang cay » dang xay, dang ca, dang cac
cay phoi » cap phoi, tay hoi, cay cho
danh vi » hanh vi, dinh vi, danh di
cuu tre » cau tren
cua tre » cua te, cua triet, dua tren
va danh » va dinh, va dan, va hanh
cam hoc » cao hoc, am hoc, cam hoa
hieu ve » hieu va, hieu van
ky dang » ky nang, ky danh
san ky » sang ky, van ky, dan ky
ve cam » ve cham, ve cac, va cam
tu san » thu san, tu ban, tu can

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 dang cay phoi. hieu ve cam hoc va danh vi ((cua tre) or (((cuu tre) or (cau treo))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky dang cay phoi. hieu ve cam hoc va danh vi ((cua tre) OR (((cuu tre) OR (cau treo)))).
• Adding a wildcard symbol may retrieve word variants: tu san ky dang cay phoi. hieu ve cam hoc va danh vi ((cua tre) or (((cuu tre) or (cau treo))))*.