Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh vien, thanh van
thanh va » thanh van, hanh va, thanh ha
cua tre » cua te, cuu tre, cua triet
hai loc » hau loc, khai luoc, hai long
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
va hai » van hai, va chai, va khai
can ky » dan ky, ban ky, tan ky
loc va » hoc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((can ky) or (van ky)) lang xa hoi. hieu va hai loc va ((thanh va) or (thanh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((can ky) OR (van ky)) lang xa hoi. hieu va hai loc va ((thanh va) OR (thanh ve)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((can ky) or (van ky)) lang xa hoi. hieu va hai loc va ((thanh va) or (thanh ve)) cua tre*.