Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"web tong cot snippets" » "web song cot snippets", "web huong cot snippets", "web bang cot snippets", "web tong cong snippets", "web tong hop snippets", "web 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: (((("web 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: (((("web tong cot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( web tong cot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("web tong cot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.