Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan hieu xe snippets" » "van hieu xe snippets", "phan kien xe snippets", "gian hieu xe snippets", "phan hieu ve snippets", "phan hiem xe snippets", "phan hieu xa 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: (((("phan hieu xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan hieu xe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan hieu xe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan hieu xe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.