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