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