Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
toc sach » hoc sach, doc sach, thuoc sach
cau tren » cu tren, dau tren, ca tren
dang mau » dong mau, dang van, dang su
mau hoi » cau hoi, mai hoi, mau ho
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, vu cham
xuc gia » duc gia, luc gia, tuc gia
ky dang » ky nang, ky danh
tai cau » tai cac, tai cao
ve cam » va cam, ve cai, ve cau
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky dang mau hoi. hieu ((((ve cam) or (ve cac))) or (ve cham)) xuc gia thanh tai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky dang mau hoi. hieu ((((ve cam) OR (ve cac))) OR (ve cham)) xuc gia thanh tai cau tren.
• Adding a wildcard symbol may retrieve word variants: toc sach ky dang mau hoi. hieu ((((ve cam) or (ve cac))) or (ve cham)) xuc gia thanh tai cau tren*.