Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xoa don chat snippets" » "xoa doc chat snippets", "xoa cong chat snippets", "xoa dinh chat snippets", "xoa doi chat snippets", "hoa don chat snippets", "hoa dong 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: (((("xoa don 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: (((("xoa don chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xoa don chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xoa don chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.