Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
nang pho » nang ho, lang pho, nang cho
duc manh » suc manh, duc anh, duc minh
thai cua » than cua, tai cuc, tri cua
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
pho hai » pho ha
hieu ve » hieu va, hieu van
xuc ban » duc ban, cuc ban, quoc ban
duc van » duc va, duc tan, duc phan
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang pho hai. hieu ve cac ((xuc ban) or (((duc van) or (duc manh)))) hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang pho hai. hieu ve cac ((xuc ban) OR (((duc van) OR (duc manh)))) hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang pho hai. hieu ve cac ((xuc ban) or (((duc van) or (duc manh)))) hanh thai cua tre*.