Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh le » thinh le, thanh ve, thanh de
te sach » toc sach
cua tre » cua te, cua triet, dua tren
duc van » duc va, duc tan, duc manh
ve cham » va cham, ve chat, vu cham
nang ma » tang ma, sang ma, nang cao
cuu tre » cau tren, cau treo
y nang » ky nang, ly nang, v nang
ve cam » ve cac, va cam, ve cai
ma hoi » mai hoi, xa hoi, ma hoa

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 ma hoi. hieu ((ve cam) OR (ve cham)) duc van thanh le ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu ((ve cam) OR (ve cham)) duc van thanh le ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang ma hoi. hieu ((ve cam) OR (ve cham)) duc van thanh le ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu ((ve cam) OR (ve cham)) duc van thanh le ((cua tre) or (cuu tre))*.