Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"luat du dan snippets" » "luat dau dan snippets", "luat su dan snippets", "luat tu dan snippets", "luat du doan snippets", "luat diu dan snippets", "luat duc dan snippets", "luat du dan 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: (((("luat du dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( luat du dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("luat du dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.