Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cu lan hung snippets" » "cu van hung snippets", "cu luan chung snippets", "cu lan phuong snippets", "cu luan hung snippets", "cu lang hung snippets", "cu dan hung 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 ("cu lan hung snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cu lan hung snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cu lan hung snippets"))) or ("locating bug core snippets"))*.