Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu dao can snippets" » "lieu nano can snippets", "lieu va can snippets", "lieu tai can snippets", "lieu dao van snippets", "lieu dao dan snippets", "lieu dao cac 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: (((("lieu dao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lieu dao can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu dao can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu dao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.