Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
cau tren » cu tren, dau tren, ca tren
te sach » toc sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
duc gia » quoc gia
ve cam » ve cham, ve cai, te cam
va cam » va cham, va cac, va cao
ve cac » va cac, vien cac
ve cau » ke cau, va cau, le cau

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 xang xa hoi. hieu ((((ve cam) or (va cam))) or (ve cac)) duc gia thanh ve cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty xang xa hoi. hieu ((((ve cam) OR (va cam))) OR (ve cac)) duc gia thanh ve cau tren.
• Adding a wildcard symbol may retrieve word variants: te sach ty xang xa hoi. hieu ((((ve cam) or (va cam))) or (ve cac)) duc gia thanh ve cau tren*.