Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"toc hoc da snippets" » "toan hoc da snippets", "duoc hoc da snippets", "toc hoc dan snippets", "toc hoc dai snippets", "toc hoc dat 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: "((((\"toc hoc da snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( toc hoc da snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("toc hoc da snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.