Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thieu mo di snippets" » "thieu mot di snippets", "thieu so di snippets", "thien mo di snippets", "thieu mo dai snippets", "thieu mo de 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: (((("thieu mo di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thieu mo di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thieu mo di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thieu mo di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.