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