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