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