Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot chu cho snippets" » "mot chut cho snippets", "mon chu cho snippets", "mot chieu cho snippets", "mot cu cho snippets", "mot chu ho snippets", "mot chung 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: (((("mot chu 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: (((("mot chu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot chu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot chu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.