Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
manh hanh » xanh hanh, danh thanh, minh thanh
thai cua » than cua, tai cuc, tri cua
xuc manh » suc manh, duc manh, duc minh
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
dang xa » dang xay, dang ha, dang va
cua tre » cua te, cuu tre, cua triet

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 ((dang xa) or (lang xa)) hoi. ((hieu ve) or (hieu qua)) cam xuc manh hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((dang xa) OR (lang xa)) hoi. ((hieu ve) OR (hieu qua)) cam xuc manh hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky ((dang xa) or (lang xa)) hoi. ((hieu ve) or (hieu qua)) cam xuc manh hanh thai cua tre*.