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