Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi duy lieu slippers" » "doi du lieu slippers", "doi duy liem slippers", "doi duoc lieu slippers", "do duy lieu slippers", "doi day lieu slippers", "doi quy lieu slippers", "doi duy lieu slippery", "doi duy lieu grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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