Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan ben cho snippets" » "dan den cho snippets", "dan bon cho snippets", "dan ven cho snippets", "dan benh cho snippets", "dan ben chi snippets", "dan nen cho snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dan ben cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan ben cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan ben cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan ben cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.