Perhaps you should try some spelling variations:
lang thai » lang chai, dang thai, lang hai
thai cua » than cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
va lang » va nang, hoa lang
va dao » ca dao
luc va » duc va, tuc va, loc va
tu bai » tu ban, te bai
nang o » nang co, nang ho, nang ro
tu bat » tu ban, tu dat
va cam » va cham, va cac, va cao
o hoc » co hoc, mo hoc, so hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bai) or (tu bat)) ky nang o hoc. hieu ((va cam) or (va dao)) luc va lang thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bai) OR (tu bat)) ky nang o hoc. hieu ((va cam) OR (va dao)) luc va lang thai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu bai) or (tu bat)) ky nang o hoc. hieu ((va cam) or (va dao)) luc va lang thai cua tre*.