Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
nang xa » lang xa, nang ma, mang xa
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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)) hoi. hieu va cam tuc va thanh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang xa) OR (nang x)) hoi. hieu va cam tuc va thanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) OR (nang x)) hoi. hieu va cam tuc va thanh dai cua tre*.