Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
thanh ve » hanh ve, thanh va, thanh vien
va thanh » gia thanh, ban thanh, va tinh
ky tang » ky nang, ky dang, kho tang
cam loc » cam lo
hieu va » lieu va, hieu qua
tang xa » trang xa, tang ma, lang xa
ke san » ke dan
va cam » va cham, va cac, va cao
loc va » hoc va, luc va
te ban » te bao
ve cau » ke cau, va cau, ve cac
te san » tu san, ta san, te dan

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 san) OR (te ban))) OR (ke san)) ky tang xa hoi. hieu va cam loc va thanh ve cau tren~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((te san) OR (te ban))) or (ke san)) ky tang xa hoi. hieu va cam loc va thanh ve cau tren~".
• Adding a wildcard symbol may retrieve word variants: ((((te san) OR (te ban))) or (ke san)) ky tang xa hoi. hieu va cam loc va thanh ve cau tren*.