Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao tong cot snippets" » "dao trong cot snippets", "dao dong cot snippets", "tao trong cot snippets", "dao tong cong snippets", "dao tong hop snippets", "dao dong co 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: (((("dao tong cot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao tong cot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao tong cot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao tong cot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.