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