Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu va moi snippets" » "lieu va mot snippets", "lieu ve moi snippets", "lieu va mo snippets", "hieu va moi snippets", "dieu va moi 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 va moi 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 va moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu va moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu va moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.