Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"he cheo cong snippets" » "he cho cong snippets", "he che cong snippets", "he theo cong snippets", "hat cheo cong snippets", "hoa cheo 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: (((("he cheo 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: (((("he cheo cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( he cheo cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("he cheo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.