Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu tin da snippets" » "lieu tinh da snippets", "hieu tin da snippets", "lieu dien da snippets", "lieu tin di snippets", "lieu tin va 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: (((("lieu tin da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu tin da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu tin da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu tin da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.