Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan va chat snippets" » "phan van chat snippets", "nhan va chat snippets", "han va chat snippets", "phan va phat snippets", "phan va cham 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 va chat 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 va chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan va chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan va chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.