Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"han tap robot snippets" » "han tao robot snippets", "han tay robot snippets", "han a robot snippets", "han tai robot snippets", "toan tap robot snippets", "nhan tai robot snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("han tap robot snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( han tap robot snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("han tap robot snippets"))) or ("locating bug core snippets"))*.