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

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang ro hai. hieu ve cam ((xuc van) or (((duc van) OR (duc va)))) hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ro hai. hieu ve cam ((xuc van) OR (((duc van) OR (duc va)))) hanh thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang ro hai. hieu ve cam ((xuc van) or (((duc van) OR (duc va)))) hanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang ro hai. hieu ve cam ((xuc van) or (((duc van) OR (duc va)))) hanh thai cua tre*.