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