Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap chat cu snippets" » "phap phat cu snippets", "phap luat cu snippets", "phap phan cu snippets", "phap chat cua snippets", "phap chat co snippets", "phap hat cu 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: (((("phap chat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap chat cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap chat cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap chat cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.