Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"form van du snippets" » "form van code snippets", "form va du snippets", "tom van du snippets", "form voi du snippets", "form van duy snippets", "form van dau snippets", "form van de snippets"
"python using java snippets" » "python using data 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: (((("form van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("form van du snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( form van du snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("form van du snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.