Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"uoc mo cong snippets" » "uoc moi cong snippets", "uoc mot cong snippets", "uoc mo rong snippets", "quoc mo cong snippets", "duoc mo cong snippets", "cuoc mo 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: (((("uoc mo 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: (((("uoc mo cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( uoc mo cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("uoc mo cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.