Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doan va can snippets" » "doan va code snippets", "doan va chan snippets", "doan va cac snippets", "doan va cao snippets", "doanh va can snippets", "dan va can snippets", "toan va can 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: (((("doan va can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan va can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doan va can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doan va can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.