Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc lua dao snippets" » "hoc luan dao snippets", "hoc luat dao snippets", "hoc cua dao snippets", "hoc luat dat snippets", "hoc luat dan snippets", "hoc luat dau 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 (\"hoc lua dao snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( python using java snippets ) OR ( hoc lua dao snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") OR ("hoc lua dao snippets"))) OR ("locating bug core snippets"))*.