Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong duc vo snippets" » "cong suc vo snippets", "hong duc vo snippets", "cong dac vo snippets", "cong duoc vo snippets", "cong duc va snippets", "cong duc mo 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 ("cong duc 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 ("cong duc vo snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cong duc vo snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cong duc vo snippets"))) or ("locating bug code snippets"))*.