Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
vien cac » vien bach, vien dai, vien da
tay hoi » tay ho, tao hoi, tay thai
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, dua tren
va tay » va thay, van tay, ha tay
can ly » can fly, can lay, van ly
xuc va » duc va, tuc va, luc va
tu can » tu ban, tu cac, thu canh

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ly va tay hoi. hieu ((va cac) or (vien cac)) xuc va danh vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ly va tay hoi. hieu ((va cac) OR (vien cac)) xuc va danh vi ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: tu can ly va tay hoi. hieu ((va cac) or (vien cac)) xuc va danh vi ((cua tre) or (cua triet))*.