Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thu sach » tu sach, thuat sach, thuoc sach
cau tren » dau tren, ca tren, cau treo
dang xay » dang van, van xay
thanh vi » hanh vi, thanh va, thanh ve
sach ty » sach y, sach tu, sach thu
xuc van » duc van, luc van, vuc van
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
xay hoi » xa hoi, tay hoi, cay phoi
ty dang » ty xang, ky dang, ty hang
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: thu sach ty dang xay hoi. hieu ((ve cham) OR (vu cham)) xuc van thanh vi ((cau tren) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty dang xay hoi. hieu ((ve cham) OR (vu cham)) xuc van thanh vi ((cau tren) OR (cu tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty dang xay hoi. hieu ((ve cham) OR (vu cham)) xuc van thanh vi ((cau tren) or (cu tren))".
• Adding a wildcard symbol may retrieve word variants: thu sach ty dang xay hoi. hieu ((ve cham) OR (vu cham)) xuc van thanh vi ((cau tren) or (cu tren))*.