Perhaps you should try some spelling variations:
"nhung cot thep snippets" » "nhung con thep snippets", "nhung cuoc thep snippets", "nhung cong thep snippets", "nhung cot theo snippets", "nhung cot tiep snippets", "nhung cot them snippets", "nhung cot thep 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: (((("nhung cot thep snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung cot thep snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung cot thep snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung cot thep snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.