Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho ke cong snippets" » "cho te cong snippets", "cho ve cong snippets", "cho khoe cong snippets", "cho he cong snippets", "cho ky cong snippets", "cho xe 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: (((("cho ke 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: (((("cho ke cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho ke cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho ke cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.