Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban dan den snippets" » "ban dan code snippets", "ban hang den snippets", "ban hanh den snippets", "ban quan den snippets", "ban ban den snippets", "ban van den snippets", "ban dan dung 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: (((("ban dan den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban dan den snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ban dan den snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban dan den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.