Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap tich ho snippets" » "phan tich ho snippets", "phap tinh ho snippets", "phap dich ho snippets", "phap tich hop snippets", "phap tich pho snippets", "phap tich so 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: (((("phap tich ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap tich ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap tich ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap tich ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.