Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"loi thuc dan snippets" » "loai thuc dan snippets", "loi thuoc dan snippets", "loi chuc dan snippets", "loi thuc hanh snippets", "loi hoc dan snippets", "loi thuc vat snippets", "loi thuc dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("loi thuc dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("loi thuc dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loi thuc dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loi thuc dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.