Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung dan so snippets" » "cong dan so snippets", "dung dan so snippets", "tung dan so snippets", "cung dan soc snippets", "cung dan su snippets", "cung dan mo 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: (((("cung dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung dan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung dan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.