Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"rang nam dan snippets" » "rang ham dan snippets", "dang nam dan snippets", "hang nam dan snippets", "rang nam dinh snippets", "rang nam 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: (((("rang nam 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: (((("rang nam dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rang nam dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rang nam dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.