Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chao xu co snippets" » "chao xi co snippets", "chao su co snippets", "chao xe co snippets", "cho xu co snippets", "cao xu co snippets", "chat xu co 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: (((("chao xu co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chao xu co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chao xu co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao xu co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.