Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat xu cho snippets" » "chat xuc cho snippets", "chao xu cho snippets", "chat huu cho snippets", "chat cu cho snippets", "chat xu co snippets", "chat uu cho 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 xu cho 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 xu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat xu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat xu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.