Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"jong phan co snippets" » "cong phan co snippets", "jong chan co snippets", "dong phan co snippets", "jong phan bo snippets", "jong phan cong snippets", "jong phan cac 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: (((("jong phan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("jong phan co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( jong phan co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("jong phan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.