Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tu cua doi snippets" » "tu sua doi snippets", "tu cua dai snippets", "tu cua hoi snippets", "hu cua doi snippets", "vu cua doi 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: "((((\"tu cua doi snippets\") OR (\"python using java snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( tu cua doi snippets ) OR ( python using java snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tu cua doi snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))*.