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