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