Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mac hang ca snippets" » "mat hang ca snippets", "bac thang ca snippets", "dac thang ca snippets", "mac hang va snippets", "mac nang cao snippets", "mac hang tai 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: (((("mac hang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mac hang ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mac hang ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mac hang ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.