Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cot va noi snippets" » "co va noi snippets", "coc va noi snippets", "con va noi snippets", "cot van noi snippets", "cot va ngoi snippets", "cot va nuoi 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 va noi 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 va noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cot va noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot va noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.