Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"tang van robot snippets" » "tang tao robot snippets", "tang a robot snippets", "tang tay robot snippets", "dang van robot snippets", "hoang van robot snippets", "trong van robot snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"

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