Perhaps you should try some spelling variations:
te sach » toc sach
nang xa » lang xa, nang ma, mang xa
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tu, cac tac
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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 y ((((nang xa) or (nang x))) or (nang cao)) hoi. hieu va cac tuc va danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((((nang xa) OR (nang x))) OR (nang cao)) hoi. hieu va cac tuc va danh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y ((((nang xa) or (nang x))) or (nang cao)) hoi. hieu va cac tuc va danh vi cua tre*.