Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc dan tro snippets" » "duoc dan tro snippets", "duc tan tro snippets", "duc dai tro snippets", "duc ban tro snippets", "duc dan tho snippets", "duc dan tra snippets", "duc dan tro 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: "((((\"duc dan tro snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( duc dan tro snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("duc dan tro snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.