Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luc toan do snippets" » "luc toan code snippets", "duc toan do snippets", "quoc toan do snippets", "luc tai do snippets", "luc toan ho snippets", "luc toan co snippets", "luc toan du 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 ("luc toan do snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("luc toan do snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luc toan do snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luc toan do snippets"))) or ("locating bug core snippets"))*.