Perhaps you should try some spelling variations:
lang tai » lang thai, hang tai, tang tai
cua tre » cuu tre, cua triet, dua tren
va lang » va nang, hoa lang
tu bai » tu ban, tu bat, te bai
luc va » duc va, tuc va, loc va
va dao » ca dao
bai ky » ban ky, sai ky, bac ky
va cam » va cham, va cac, va cao
nang o » nang co, nang ho, nang ro
cua te » cua tu
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 ky nang o hoc. hieu ((va cam) or (va dao)) luc va lang tai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bai ky nang o hoc. hieu ((va cam) OR (va dao)) luc va lang tai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu bai ky nang o hoc. hieu ((va cam) or (va dao)) luc va lang tai ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu bai ky nang o hoc. hieu ((va cam) or (va dao)) luc va lang tai ((cua tre) OR (cua te))*.