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