Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho k1 model snippets" » "cho 1 model snippets", "cho a model snippets", "cho _ model snippets", "cho ky model snippets", "cho ke model 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 k1 model 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 k1 model snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho k1 model snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho k1 model snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.