Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"so phan xin snippets" » "so phan dinh snippets", "so phan kien snippets", "so phan bien snippets", "co phan xin snippets", "hoc phan xin snippets", "hoa phan xin snippets", "so phan xin slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("so phan xin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so phan xin snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( so phan xin snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))*.