Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
tham xuc » tham nuoc, tham thuc, pham duc
van hanh » ban hanh, van anh, van ban
va tham » van tham, va cham, va thanh
sach ky » sac ky, sach ty, sach kem
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ky) OR (sach y)) nang xa hoi. hieu va tham xuc ((van hanh) or (van thanh)) vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sach y)) nang xa hoi. hieu va tham xuc ((van hanh) OR (van thanh)) vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach y)) nang xa hoi. hieu va tham xuc ((van hanh) or (van thanh)) vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach y)) nang xa hoi. hieu va tham xuc ((van hanh) or (van thanh)) vi cuu tre*.