Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lip cong so snippets" » "li cong so snippets", "lap cong so snippets", "lip dong so snippets", "lip cong san snippets", "lip cong hoa 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: (((("lip cong 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: (((("lip cong so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lip cong so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lip cong so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.