Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"deu va tinh snippets" » "deu may tinh snippets", "dieu va tinh snippets", "dau va tinh snippets", "de va tinh snippets", "deu va tinh 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: (((("deu va tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("deu va tinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( deu va tinh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("deu va tinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.