Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon nam doi snippets" » "bon nam doi snippets", "loi nam doi snippets", "lon lam doi snippets", "lon nam hoi snippets", "lon nam do snippets", "lon nam noi 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: (((("lon nam doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon nam doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon nam doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon nam doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.