Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"ban cac nha snippets" » "bang cac nha snippets", "ban can nha snippets", "ban sac nha snippets", "ban cac nhan snippets", "ban cac nhat 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: (((("ban cac nha snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( ban cac nha snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ban cac nha snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.