Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cu nhan lo snippets" » "ca nhan lo snippets", "cu nhan mo snippets", "cu nha lo snippets", "cu nhan co snippets"
"locating bug code snippets" » "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: "((((\"python using java snippets\") OR (\"cu nhan lo snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( cu nhan lo snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("cu nhan lo snippets"))) OR ("locating bug code snippets"))*.