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