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