Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"long van cau snippets" » "long van code snippets", "luong van cau snippets", "song van cau snippets", "lang van cau snippets", "long van dau snippets", "long van hau snippets", "long van chat 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 cau 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 cau snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( long van cau snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("long van cau snippets"))) or ("locating bug core snippets"))*.