Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
truc ban » thuc ban, truc dan, truc van
thuc day » thuc dan, thuc vat
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 de » hanh ve, hanh kem
te sai » te tai, te bai, te lai
sai ky » sac 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 sai ky lang ha hoi. hieu van cau ((truc ban) or (thuc day)) hanh de ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky lang ha hoi. hieu van cau ((truc ban) OR (thuc day)) hanh de ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te sai ky lang ha hoi. hieu van cau ((truc ban) or (thuc day)) hanh de ((cua tre) or (cuu tre))*.