Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha tao cao snippets" » "pha tap cao snippets", "pha tan cao snippets", "pha vao cao snippets", "pha bao cao snippets", "pha 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: (((("pha 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: (((("pha tao cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha tao cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha tao cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.