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