Perhaps you should try some spelling variations:
"trong thanh java snippets" » "truong thanh java snippets", "trung thanh java snippets", "rong thanh java snippets", "trong thanh va snippets", "trong trinh java snippets", "trong think java snippets"
"dung cuc code snippets" » "dung cua code snippets", "dung cu code snippets", "dung cac code snippets", "dung cfd code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code 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: (((("trong thanh java snippets") or ("dung cuc code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong thanh java snippets") OR ("dung cuc code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( trong thanh java snippets ) or ( dung cuc code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("trong thanh java snippets") or ("dung cuc code snippets"))) or ("locating bug code slippers"))*.