Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan thi tac snippets" » "dang thi tac snippets", "tran thi tac snippets", "dinh thi tac snippets", "dan thi tam snippets", "dan thi thao snippets", "dan thi tran 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: (((("dan thi tac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dan thi tac snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan thi tac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.