Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi dan dat snippets" » "phi san dat snippets", "phi van dat snippets", "chi dan dat snippets", "phi dung dat snippets", "phi dong dat snippets", "phi dinh dat 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: (((("phi dan dat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( phi dan dat snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("phi dan dat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.