Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao dong chi snippets" » "cao dang chi snippets", "lao dong chi snippets", "cao cong chi snippets", "cao dong cho snippets", "cao dong thi snippets", "cao dung chi 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 dong chi 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 dong chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao dong chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao dong chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.