Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"huoc hoi dan snippets" » "quoc hoi dan snippets", "duoc hoi dan snippets", "hoc hoi dan snippets", "huoc hoa dan snippets", "huoc hoc dan snippets", "huoc hoi dap snippets", "huoc hoi dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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