Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
so sach » so sanh, bo sach, co sach
xuc ban » duc ban, cuc ban, quoc ban
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
thuc va » thuc vat, thuc dan, thuc day
hieu ve » hieu va, hieu van
nang ro » nang co, nang ho, nang ra
ve cam » ve cham, ve cac, va cam
ro hai » co hai, o hai, so hai

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

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