Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"toan va can snippets" » "toan va code snippets", "doan va can snippets", "tran van can snippets", "toan ban can snippets", "toan va chan snippets", "toan va cac snippets", "toan va cao 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: (((("toan 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: (((("toan va can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( toan va can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan va can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.