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
hieu va » lieu va, hieu qua
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
cam lo » nam lo, cam ly, cam o
ve cau » ke cau, va cau, ve cac
te san » te ban, ke san, tu san

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