Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hieu bao lua slippers" » "hieu bo lua slippers", "hieu bai lua slippers", "hieu bat lua slippers", "hieu bao luc slippers", "hieu bao cua slippers", "hieu bai luan slippers", "hieu bao lua slippery", "hieu bao lua grippers"
"locating bug code snippets" » "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: (((("hieu bao lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hieu bao lua slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hieu bao lua slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hieu bao lua slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.