Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu tu hoi snippets" » "lieu tai hoi snippets", "tieu thu hoi snippets", "kieu thu hoi snippets", "lieu thu hoi snippets", "lieu tu choi snippets", "lieu tu hoai 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 tu hoi 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 tu hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu tu hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu tu hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.