Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho cong ke snippets" » "cao cong ke snippets", "cua cong ke snippets", "cac cong ke snippets", "cho cong de snippets", "cho cong ve snippets", "cho hong ke 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: (((("cho cong ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho cong ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho cong ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho cong ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.