Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phu quy toan snippets" » "phu huy toan snippets", "phu quy tuan snippets", "phu quyet toan snippets", "thu quy toan snippets", "phu quynh toan snippets", "phu quoc toan 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 quy toan 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 quy toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phu quy toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu quy toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.