Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon cho cu snippets" » "ton cho cu snippets", "con cho cu snippets", "lan cho cu snippets", "lon cho chu snippets", "lon cho ca snippets", "lon cho tu 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 cho cu 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 cho cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon cho cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon cho cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.