Perhaps you should try some spelling variations:
"dan lieu tinh snippets" » "dan trieu tinh snippets", "dan diep tinh snippets", "dan bien tinh snippets", "da lieu tinh snippets", "dan dieu tinh snippets", "dang dieu tinh snippets", "dan lieu tinh 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: (((("dan lieu tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan lieu tinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan lieu tinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan lieu tinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.