Perhaps you should try some spelling variations:
"quang khang wei snippets" » "quang khanh wei snippets", "quang thanh wei snippets", "quang khai wei snippets", "quang chang wei snippets", "quang khang voi snippets", "quang khang vi snippets", "quang khang wei 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 khang wei 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 khang wei snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang khang wei snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang khang wei snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.