Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong duy son snippets" » "dong duy code snippets", "dong huy son snippets", "cong duy son snippets", "dong duoc son snippets", "dong duy nong snippets", "dong duy sang 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 ("dong duy son snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dong duy son snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dong duy son snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dong duy son snippets"))) or ("locating bug core snippets"))*.