Perhaps you should try some spelling variations:
"dong tai robot snippets" » "dong tao robot snippets", "dong tay robot snippets", "dong a robot snippets", "dung tai robot snippets", "luong tai robot snippets", "cong tac robot snippets", "dong tai robot slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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