Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"20 khoa dan snippets" » "20 khoa dang snippets", "20 hoa dan snippets", "20 khoa can snippets", "20 khoa dan slippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("20 khoa dan snippets") or ("python using java snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("20 khoa dan snippets") OR ("python using java snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( 20 khoa dan snippets ) or ( python using java snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("20 khoa dan snippets") or ("python using java snippets"))) or ("locating bung code snippets"))*.