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