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