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