Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code slippers" » "using data code slippers"
"phan a robot snippets" » "phan _ robot snippets", "phan tao robot snippets", "phan tay robot snippets", "phan ba robot snippets", "phan ha robot snippets", "phan va robot snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code slippers") or ("phan a robot snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code slippers") OR ("phan a robot snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java code slippers ) or ( phan a robot snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code slippers") or ("phan a robot snippets"))) or ("locating bugs code snippets"))*.