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