Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luu chat de snippets" » "cuu chat de snippets", "luu chan de snippets", "luu nhat de snippets", "luu chat deo snippets", "luu chat di 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: (((("luu chat 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: (((("luu chat de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luu chat de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luu chat de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.