Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
xach tay » canh tay
sach thu » sach thue, sach thieu, sach tham
va hanh » van hanh, va thanh, va danh
cau tuc » cau truc, cau tu, cau luc
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
va cau » van cau, va cac, va dau
tuc va » thuc va, truc va, tuc xa
vi cau » ve cau, di cau, viet cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((xach tay) or (sach thu)) ((nang xa) or (nang ma)) hoi. lieu va cau tuc va hanh vi cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((xach tay) OR (sach thu)) ((nang xa) OR (nang ma)) hoi. lieu va cau tuc va hanh vi cau treo.
• Adding a wildcard symbol may retrieve word variants: su ((xach tay) or (sach thu)) ((nang xa) or (nang ma)) hoi. lieu va cau tuc va hanh vi cau treo*.