Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc phap hoc snippets" » "doc phap code snippets", "hoc phap hoc snippets", "duc phap hoc snippets", "doc phan hoc snippets", "doc phap hoan snippets", "doc phap mo snippets", "doc phap han snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("doc phap hoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doc phap hoc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doc phap hoc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doc phap hoc snippets"))) or ("locating bug core snippets"))*.