Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van lua doi snippets" » "van lua code snippets", "van luan doi snippets", "van lu doi snippets", "van luc doi snippets", "van sua doi snippets", "van quan doi snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("van lua doi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( van lua doi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("van lua doi snippets"))) or ("locating bug core snippets"))*.