Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
va thanh » gia thanh, va tinh, le thanh
te sach » toc sach
cac dai » cac dan, cac bai, can dai
san cua » sang cua, ban cua, dan cua
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
cua te » cua tu
sach v » sach va, sach y, sach 2
ma hoi » mai hoi, xa hoi, ma hoa
v nang » va nang, vu nang, van nang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang ma hoi. hieu ve ((cac duc) OR (cac dai)) ((va thanh) OR (ban thanh)) san cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang ma hoi. hieu ve ((cac duc) or (cac dai)) ((va thanh) OR (ban thanh)) san cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach v nang ma hoi. hieu ve ((cac duc) or (cac dai)) ((va thanh) OR (ban thanh)) san cua te*.