Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cau tren » cu tren, dau tren, ca tren
thanh de » hanh de, thanh ve, thanh do
sach ly » sach y, sach lo, sach ty
cuu tre » cua tre, cau treo
cuc ban » cua ban, cac ban, cuu ban
te sach » toc sach
hieu ve » hieu va, hieu van
ly nang » ky nang, ly hang, ly vang
cam cuc » cam xuc, cham cuu, pham cuc
ve cam » ve cham, ve cac, va cam
nang o » nang co, nang ho, nang ro
o hai » co hai, so hai, o lai

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 ly nang o hai. hieu ve cam cuc ban thanh de ((cuu tre) OR (cau tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang o hai. hieu ve cam cuc ban thanh de ((cuu tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang o hai. hieu ve cam cuc ban thanh de ((cuu tre) OR (cau tren))*.