Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
te sach » toc sach
tang ma » mang may, tang van
cuc ban » cua ban, cac ban, cuu ban
xuc ban » duc ban, quoc ban, xuat ban
vi cua » vai cua, di cua
sach v » sach va, sach y, sach 2
ve cac » va cac
ma hoi » mai hoi, xa hoi, ma hoa
v tang » 6 tang, 7 tang, 5 tang
cua tu » cua tuc, cua su, cua cu

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 v tang ma hoi. hieu ((ve cac) or (vien cac)) ((xuc ban) or (cuc ban)) hanh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v tang ma hoi. hieu ((ve cac) OR (vien cac)) ((xuc ban) OR (cuc ban)) hanh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: te sach v tang ma hoi. hieu ((ve cac) or (vien cac)) ((xuc ban) or (cuc ban)) hanh vi cua tu*.