Perhaps you should try some spelling variations:
"hong danh thanh snippets" » "hong dinh thanh snippets", "hong dang thanh snippets", "hong nhanh thanh snippets", "thong danh thanh snippets", "hong hanh thanh snippets", "hong anh thanh snippets", "hong danh thanh 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: (((("hong danh thanh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hong danh thanh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hong danh thanh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hong danh thanh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.