Perhaps you should try some spelling variations:
van danh » van doanh, van anh, van hanh
thuc van » thuc vat, thuc dan, thuc va
su sach » so sach, vu sach
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
so sanh » do sanh
vi cua » vai cua, di cua
va cam » va cham, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (so sanh)) ky lang xa hoi. hieu ((va cam) or (va cac)) thuc van danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ky lang xa hoi. hieu ((va cam) OR (va cac)) thuc van danh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ky lang xa hoi. hieu ((va cam) or (va cac)) thuc van danh vi cua tre*.