Perhaps you should try some spelling variations:
nang ha » nang hai, nang han, nang hoa
hieu va » lieu va, hieu qua
xuc ban » duc ban, quoc ban, xuat ban
cuc ban » cua ban, cac ban, cuu ban
hang vi » hang va, hanh vi, hang di
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

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 nang ha hoi. hieu va cam ((xuc ban) or (cuc ban)) hang vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ha hoi. hieu va cam ((xuc ban) OR (cuc ban)) hang vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ha hoi. hieu va cam ((xuc ban) or (cuc ban)) hang vi cua tre*.