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