Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat hop can snippets" » "luat hoi can snippets", "luat phap can snippets", "luat so can snippets", "luat hoc can snippets", "luat hop cau snippets", "luat hop tan 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: (((("luat hop can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat hop can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat hop can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat hop can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.