Perhaps you should try some spelling variations:
hanh phan » thanh phan, anh phan, hanh han
hieu van » hieu va, thien van, lieu va
phan cua » nhan cua, than cua, phat cua
van hanh » van thanh, ban hanh, van anh
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
tu san » thu san, tu ban, tu can
tu bac » tu ban, tu cac, tu bat
o lai » o lao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bac) or (tu san)) ky nang o lai. hieu van ((cam xuc) or (cac nuoc)) van hanh phan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (tu san)) ky nang o lai. hieu van ((cam xuc) OR (cac nuoc)) van hanh phan cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu bac) or (tu san)) ky nang o lai. hieu van ((cam xuc) or (cac nuoc)) van hanh phan cua tre*.