Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich ly cao snippets" » "dich ky cao snippets", "dinh ly cao snippets", "dich le cao snippets", "dich ly co snippets", "dich ly ca snippets", "dich ly dao 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: (((("dich ly cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich ly cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich ly cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich ly cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.