Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu cho can snippets" » "phu tho can snippets", "phu chu can snippets", "phu khoa can snippets", "phu cho cac snippets", "phu cho phan snippets", "phu cho cong 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: (((("phu cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu cho can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu cho can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu cho can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.