Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan so chat snippets" » "nhan su chat snippets", "nhat so chat snippets", "nhan mo chat snippets", "nhan soat chat snippets", "nhan song chat snippets", "nhan cao chat 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: (((("nhan so 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: (((("nhan so chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan so chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan so chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.