Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"shan duc tin snippets" » "phan duc tin snippets", "than duc tin snippets", "nhan duoc tin snippets", "shan duc tien snippets", "shan duc tan snippets", "shan duc ton snippets", "shan duc tin slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("shan duc tin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("shan duc tin snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( shan duc tin snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("shan duc tin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.