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