Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan quan vo snippets" » "phan quang vo snippets", "phap quan vo snippets", "pham quang vo snippets", "phan quan vi snippets", "phan quan va snippets", "phan quan ve 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 quan vo 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 quan vo snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phan quan vo snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("phan quan vo snippets"))) or ("locating bug code snippets"))*.