Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"do dan ngan snippets" » "do van ngan snippets", "do dai ngan snippets", "do dang nganh snippets", "do danh ngan snippets", "dao dan ngan snippets", "do dang ngan snippets", "do dan ngan 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: "((((\"do dan ngan snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( do dan ngan snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("do dan ngan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.