Perhaps you should try some spelling variations:
"quang khai a snippets" » "quang hoi a snippets", "quan hai a snippets", "quang ngai a snippets", "quang kai a snippets", "quang khai pha snippets", "quang khai bao snippets", "quang khai a 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: (((("quang khai a snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quang khai a snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang khai a snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang khai a snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.