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