Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu che mot snippets" » "dieu che mot snippets", "lieu nhe mot snippets", "lieu chiu mot snippets", "lieu cho mot snippets", "lieu che mon snippets", "lieu chi mot 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 che mot 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 che mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu che mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu che mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.