Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luan than vo snippets" » "luan than code snippets", "luan thanh vo snippets", "luan phan vo snippets", "luan han vo snippets", "luan than va snippets", "luan than doc snippets", "luan than hoc 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 ("luan than vo snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("luan than vo snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luan than vo snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luan than vo snippets"))) or ("locating bug core snippets"))*.