Perhaps you should try some spelling variations:
hanh dinh » thanh dinh, hinh dinh, hanh tinh
van hanh » van thanh, ban hanh, van anh
dinh cua » dinh cuu, sinh cua, dinh cu
hieu va » lieu va, hieu qua
nam xua » nam cua, nam mua, nam qua
xua van » xua va, qua van, cua van
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va nam » van nam, ha nam, va nay
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang x hoi. hieu va nam xua van hanh dinh cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu va nam xua van hanh dinh cua tre*.