Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao ly he snippets" » "cao ky he snippets", "co ly he snippets", "cam ly he snippets", "cao ly ha snippets", "cao ly ke snippets", "cao ly ve 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: (((("cao ly he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao ly he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao ly he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao ly he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.