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