Perhaps you should try some spelling variations:
nang mai » nang ma, nang tai, lang mai
hieu van » thien van, lieu va
ban hanh » ban hang
te sach » toc sach
sach ky » sac ky, sach y, sach ty
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
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 sach ky nang mai hoi. ((((hieu van) or (hieu ve))) or (hieu va)) cam xuc ban hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang mai hoi. ((((hieu van) OR (hieu ve))) OR (hieu va)) cam xuc ban hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang mai hoi. ((((hieu van) or (hieu ve))) or (hieu va)) cam xuc ban hanh vi cua tre*.