Perhaps you should try some spelling variations:
"cong trieu lua snippets" » "dong trieu lua snippets", "uong trieu lua snippets", "hoang trieu lua snippets", "cong trieu suat snippets", "cong trieu lit snippets", "cong trien cua snippets", "cong trieu lua 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: (((("cong trieu lua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong trieu lua snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong trieu lua snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong trieu lua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.