Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don dam chat snippets" » "don lam chat snippets", "don cao chat snippets", "don van chat snippets", "don tam chat snippets", "doi dam chat snippets", "don am 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: (((("don dam 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: (((("don dam chat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don dam chat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don dam chat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.