Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan dao can snippets" » "lanh dao can snippets", "van dao can snippets", "lan dau can snippets", "lan dao van snippets", "lan dao dan snippets", "lan 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: (((("lan 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: (((("lan dao can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan dao can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan dao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.