Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"jong phan le snippets" » "cong phan le snippets", "jong chan le snippets", "dong phan le snippets", "jong pham le snippets", "jong phan mem snippets", "jong phan lap 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 le 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 le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( jong phan le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("jong phan le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.