Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"coc luoc can snippets" » "coc luc can snippets", "hoc nuoc can snippets", "hoc duoc can snippets", "coc luc canh snippets", "coc hoc can snippets", "coc luoc dai 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: (((("coc luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("coc luoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( coc luoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("coc luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.