Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich di cua snippets" » "dich i cua snippets", "dich dien cua snippets", "dich dinh cua snippets", "dich dai cua snippets", "dich doi cua snippets", "dich de cua 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 di cua 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 di cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich di cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich di cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.