Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"n2 doc cau snippets" » "n2 hoc cau snippets", "n2 doc cao snippets", "n2 doc chat snippets", "n1 doc cau snippets", "n3 doc cau 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: "((((\"n2 doc cau snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( n2 doc cau snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("n2 doc cau snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.