Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tich cau cao snippets" » "tich cac cao snippets", "tich can cao snippets", "tich cay cao snippets", "tich cu cao snippets", "tich cau tao snippets", "tich ca 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: (((("tich cau 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: (((("tich cau cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tich cau cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tich cau cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.