Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"han cao son snippets" » "han cao code snippets", "han cho son snippets", "han gao son snippets", "hoang cao son snippets", "han cao cong 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 ("han cao son snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("han cao son snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( han cao son snippets ))) or ( locating bug core snippets ))*.