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