Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc nga duc snippets" » "hoc nha duc snippets", "hoc ngu duc snippets", "hoc nganh duc snippets", "hoc ngo duc snippets", "hoc ngoc duc snippets", "hoc ngay doc snippets", "hoc nga duc 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: (((("hoc nga duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hoc nga duc snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc nga duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.