Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung thi c snippets" » "dung tai c snippets", "dung tri c snippets", "dung chi c snippets", "dung thi cu snippets", "dung thi ca snippets", "dung thi _ 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: "((((\"dung thi c snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung thi c snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung thi c snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.