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"
"va dan 2017 snippets" » "va doan 2017 snippets", "va doan 2016 snippets", "va doan 2010 snippets", "ca dan 2017 snippets", "va dao 2017 snippets", "va dau 2017 snippets", "va dan 2017 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: (((("va dan 2017 snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va dan 2017 snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( va dan 2017 snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va dan 2017 snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.