Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"rao van ho snippets" » "dao van ho snippets", "cao van ho snippets", "hao van ho snippets", "rao van hoa snippets", "rao van hoc snippets", "rao van hoe 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: (((("rao van ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("rao van ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rao van ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rao van ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.