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