Perhaps you should try some spelling variations:
"luong va code snippets" » "dung va code snippets", "luong va code slippers", "luong va core snippets"
"dung a robot snippets" » "dung _ robot snippets", "dung tao robot snippets", "dung tay robot snippets", "dung va robot snippets", "dung ha robot snippets", "dung ai robot snippets", "dung a robot slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("dung a robot snippets") or ("luong va code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung a robot snippets") OR ("luong va code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung a robot snippets ) or ( luong va code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung a robot snippets") or ("luong va code snippets"))) or ("locating bug code snippets"))*.