Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cau theo » cau thi, cau tao
cau treo » cau tren, cau triet, cau trieu
thanh de » hanh de, thanh ve, thanh do
sach ly » sach y, sach lo, sach ty
ve cham » va cham, ve chat, vu cham
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
ve cam » ve cac, va cam, ve cai
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) or (ve cham)) cua ban thanh de ((cau treo) OR (cau theo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ly nang o hai. hieu ((ve cam) OR (ve cham)) cua ban thanh de ((cau treo) OR (cau theo)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ly nang o hai. hieu ((ve cam) or (ve cham)) cua ban thanh de ((cau treo) OR (cau theo))".
• Adding a wildcard symbol may retrieve word variants: te sach ly nang o hai. hieu ((ve cam) or (ve cham)) cua ban thanh de ((cau treo) OR (cau theo))*.