Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi qua co snippets" » "phi quan co snippets", "phi quang co snippets", "thi quan co snippets", "phi qua con snippets", "phi cua co snippets", "phi qua ca 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: (((("phi qua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi qua co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi qua co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi qua co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.