Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu van voi snippets" » "lieu va voi snippets", "hieu van voi snippets", "sieu van voi snippets", "lieu van loi snippets", "lieu van noi snippets", "lieu van von 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 van voi 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 van voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu van voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu van voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.