Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"da dao danh snippets" » "da dao doanh snippets", "da do danh snippets", "da dao dan snippets", "dan dao danh snippets", "ca dao danh snippets", "de dao danh snippets", "da dao danh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"da dao danh snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( da dao danh snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("da dao danh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.