Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao tinh cao snippets" » "cao minh cao snippets", "cac tinh cao snippets", "ca tinh cao snippets", "cao tinh lao snippets", "cao tinh chat snippets", "cao tinh cach 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: (((("cao tinh 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: (((("cao tinh cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao tinh cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao tinh cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.