Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"been tao cao snippets" » "bien tap cao snippets", "dien tao cao snippets", "bien tam cao snippets", "been bao cao snippets", "been toan cao 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: (((("been tao cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("been tao cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( been tao cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("been tao cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.