Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cham cuu » cap cuu, chat cua
cau tren » dau tren, ca tren, cau treo
dang xay » van xay
thanh vi » hanh vi, thanh va, thanh ve
dang van » hoang van, hang va
te sach » toc sach
cuu ban » cuu van, cua ban, cuu san
ve cham » va cham, ve chat, vu cham
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
cu tren » tu tren, dua tren

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 ty ((dang xay) or (dang van)) hoi. hieu ve cham cuu ban thanh vi ((cau tren) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty ((dang xay) OR (dang van)) hoi. hieu ve cham cuu ban thanh vi ((cau tren) OR (cu tren)).
• Adding a wildcard symbol may retrieve word variants: te sach ty ((dang xay) or (dang van)) hoi. hieu ve cham cuu ban thanh vi ((cau tren) or (cu tren))*.