Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat sam cua snippets" » "cat sam cua snippets", "chat cam cua snippets", "chat va cua snippets", "chat nam cua snippets", "chat lam cua snippets", "chat dam cua 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: (((("chat sam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chat sam cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat sam cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat sam cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.