Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung so robot snippets" » "dung cho robot snippets", "dung tao robot snippets", "dung voi robot snippets", "dung co robot snippets", "dung mo robot snippets", "dung so robot slippers"
"hang va java snippets" » "hang java java snippets", "nang va java snippets", "dang va java snippets", "hanh va java snippets", "hang va java slippers"

Try widening your search to All Fields.

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

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