Perhaps you should try some spelling variations:
"quang tran java snippets" » "quang tuan java snippets", "quang trung java snippets", "quang thanh java snippets", "quang trinh java snippets", "quang tran java slippers"
"dung rung code snippets" » "dung trung code snippets", "duong rung code snippets", "dung ung code snippets", "dung rung code slippers"
"locating bug code snippets" » "locating bug code slippers", "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 rung code snippets") or ("quang tran java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung rung code snippets") OR ("quang tran java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung rung code snippets ) or ( quang tran java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung rung code snippets") or ("quang tran java snippets"))) or ("locating bug code snippets"))*.