Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
thuc ban » thuoc ban, thuc dan, thu ban
truc dan » thuc dan, tuc dan, truc ban
cuu tre » cau tren, cau treo
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van hoe
hieu va » lieu va, hieu qua
cua tre » cua te, cua triet, dua tren
hanh de » hanh ve, hanh kem
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
va cau » van cau, va cac, va dau

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

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