Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban dan con snippets" » "ban dan code snippets", "ban hang con snippets", "ban hanh con snippets", "ban quan con snippets", "ban day con snippets", "ban dan mon snippets", "ban dan bon 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 con 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 con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ban dan con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban dan con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.