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