Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc toi lua snippets" » "hoc noi lua snippets", "hoc moi lua snippets", "hoc tai lua snippets", "hoc toi la snippets", "hoc hoi luan snippets", "hoc thi luan snippets", "hoc toi lua 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: "((((\"hoc toi lua snippets\") OR (\"python using java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( hoc toi lua snippets ) OR ( python using java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc toi lua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))*.