Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"wang dan so snippets" » "tang dan so snippets", "dang dan so snippets", "nang dan so snippets", "wang dan soc snippets", "wang dan su snippets", "wang 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: (((("wang 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: (((("wang dan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( wang dan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("wang dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.