Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"doi dan hao snippets" » "hoi dan hao snippets", "doi ban hao snippets", "doi dau hao snippets", "doi van hao snippets", "doi pan hao snippets", "doi dan bao snippets", "doi dan hao slippers"

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: (((("doi dan hao snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi dan hao snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( doi dan hao snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dan hao snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.