Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
cau treo » cau theo, cau tren, cau triet
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
sac ky » sai ky
ve cac » va cac, vien cac
vi cau » va cau, ve cau, di cau
du va » dau va, su va, vu va

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: tu ((sac ky) OR (cac ky)) tang xa hoi. hieu ve cac ((du va) OR (tu va)) thanh vi cau treo~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) or (cac ky)) tang xa hoi. hieu ve cac ((du va) OR (tu va)) thanh vi cau treo~".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (cac ky)) tang xa hoi. hieu ve cac ((du va) OR (tu va)) thanh vi cau treo*.