Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khoa cap va snippets" » "khoa cam va snippets", "khoa tap va snippets", "khoa can va snippets", "khoa lap va snippets", "khoa cao va 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: (((("khoa cap va snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( khoa cap va snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("khoa cap va snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.