Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cot cho cay snippets" » "con cho cay snippets", "chat cho cay snippets", "cong cho cay snippets", "cot cho cac snippets", "cot cho vay snippets", "cot cho can 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 cho cay 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 cho cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cot cho cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot cho cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.