Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu tu ke snippets" » "cau tu ke snippets", "thu tu ke snippets", "chung tu ke snippets", "chu tu kem snippets", "chu tu le snippets", "chu tu te 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: (((("chu tu ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu tu ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu tu ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu tu ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.