Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc trinh da snippets" » "duc trinh code snippets", "duc thinh da snippets", "doc trinh da snippets", "qua trinh da snippets", "duc trinh dan snippets", "duc trinh dao snippets", "duc trinh do 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: (((("duc trinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc trinh da snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duc trinh da snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc trinh da snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.