Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cap cao dong snippets" » "cap cao dang snippets", "cap lao dong snippets", "cap cao cong snippets", "cap cho dong snippets", "ca cao dong snippets", "cap can dong 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: (((("cap cao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap cao dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cap cao dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap cao dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.