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