Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"achat tu can snippets" » "achat su can snippets", "nhat tu can snippets", "achat tu ban snippets", "achat tu cac 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: (((("achat tu 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: (((("achat tu can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( achat tu can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("achat tu can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.