Perhaps you should try some spelling variations:
te sach » toc sach
van anh » van thanh, tuan anh, van minh
cau luc » cau phuc
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
anh de » hanh de, anh d, anh ve
de cua » le cua, te cua, dieu 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 v ((nang xa) or (nang ma)) hoi. hieu va ((cau luc) or (cau truc)) van anh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v ((nang xa) OR (nang ma)) hoi. hieu va ((cau luc) OR (cau truc)) van anh de cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach v ((nang xa) or (nang ma)) hoi. hieu va ((cau luc) or (cau truc)) van anh de cua tre*.