Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua hieu he snippets" » "cua chieu he snippets", "cua dieu he snippets", "cuu hieu he snippets", "cua hieu ve snippets", "cua hiem he snippets", "cua hieu le 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: (((("python using java snippets") or ("cua hieu he snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cua hieu he snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cua hieu he snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cua hieu he snippets"))) or ("locating bug code snippets"))*.