Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi hoc han snippets" » "doi hoac han snippets", "dai hoc han snippets", "hoi hoc han snippets", "doi hoc phan snippets", "doi hoc hanh snippets", "doi hoc chan snippets", "doi hoc han slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("doi hoc han snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi hoc han snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi hoc han snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hoc han snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.