Perhaps you should try some spelling variations:
"quang tran viet snippets" » "quang tuan viet snippets", "quang trung viet snippets", "quang thanh viet snippets", "quang trien viet snippets", "quang gian viet snippets", "quang san viet snippets", "quang tran viet 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 tran viet 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 tran viet snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quang tran viet snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quang tran viet snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.