Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh van hoe snippets" » "danh van code snippets", "doanh van hoe snippets", "dang van hoe snippets", "dinh van hoe snippets", "danh van hoa snippets", "danh van hoc snippets", "danh van hieu 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: (((("danh van hoe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh van hoe snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( danh van hoe snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh van hoe snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.