Perhaps you should try some spelling variations:
truoc bang » thuoc bang, truoc cang, truoc cong
hieu van » hieu va, thien van, lieu va
truc dan » thuc dan, tuc dan, truc ban
cuu tre » cau tren, cau treo
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
cua tre » cua te, cua triet, dua tren
van cau » van dau, van hau, van chat
hanh ve » hanh vi, hanh va, hanh kem
te bai » te bao, te tai, te ban
bai ky » ban ky, sai ky, bac ky
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: te bai ky lang ha hoi. hieu van cau ((truoc bang) or (truc dan)) hanh ve ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te bai ky lang ha hoi. hieu van cau ((truoc bang) OR (truc dan)) hanh ve ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te bai ky lang ha hoi. hieu van cau ((truoc bang) or (truc dan)) hanh ve ((cua tre) or (cuu tre))*.