Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc phan ve snippets" » "ngoc khanh ve snippets", "ngoc thanh ve snippets", "hoc phan ve snippets", "ngoc phan le snippets", "ngoc phan va snippets", "ngoc pha 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 ("ngoc phan ve snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ngoc phan ve snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( ngoc phan ve snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ngoc phan ve snippets"))) or ("locating bug code snippets"))*.