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