Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"danh lieu tinh snippets" » "dan lieu tinh snippets", "danh hieu tinh snippets", "danh lien tinh snippets", "danh trieu tinh snippets", "danh diep tinh snippets", "danh bien tinh snippets", "danh lieu tinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"

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 lieu tinh snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh lieu tinh snippets") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( danh lieu tinh snippets ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh lieu tinh snippets") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.