Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
van hanh » ban hanh, van anh, van ban
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cua triet, dua tren
tu sach » thu sach, su sach, te sach
cam tuc » cam xuc, cam tu, nam thuc
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
cuu tre » cau tren, cau treo
va cam » va cham, va cac, va cao

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 lang xa hoi. lieu va cam tuc ((van hanh) or (van thanh)) dao ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. lieu va cam tuc ((van hanh) OR (van thanh)) dao ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang xa hoi. lieu va cam tuc ((van hanh) or (van thanh)) dao ((cua tre) OR (cuu tre))*".