Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho thi hoai snippets" » "cho thi hai snippets", "cho thi hoa snippets", "cho thi hoan snippets", "cao thi hoai snippets", "chu thi hoai snippets", "chi thi hoai 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 thi hoai 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 thi hoai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho thi hoai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho thi hoai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.