Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dong ban su snippets" » "dong bang su snippets", "dong san su snippets", "dong bac su snippets", "dong ban sua snippets", "dong dan su snippets", "dong van su snippets", "dong ban su 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong ban su snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dong ban su snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dong ban su snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.