Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
van thanh » ban thanh, van tuan
hieu van » thien van, lieu va, hieu ve
chau tre » chay tren, chau tho, cho tre
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
duc van » duc va, duc tan, duc manh
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((cac ky) or (sai ky)) nang xa hoi. ((hieu van) or (hieu va)) cam duc van thanh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((cac ky) OR (sai ky)) nang xa hoi. ((hieu van) OR (hieu va)) cam duc van thanh lai chau tre.
• Adding a wildcard symbol may retrieve word variants: tu ((cac ky) or (sai ky)) nang xa hoi. ((hieu van) or (hieu va)) cam duc van thanh lai chau tre*.