Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cao hat dan snippets" » "cao chat dan snippets", "cao hoat dan snippets", "cau hat dan snippets", "cao hat van snippets", "cao mat dan snippets", "cao nhat danh snippets", "cao hat 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: (((("cao hat dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( cao hat dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cao hat dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.