Perhaps you should try some spelling variations:
"dung huong com snippets" » "dung thuong com snippets", "dung phuong com snippets", "dong huong com snippets", "dung huong co snippets", "dung huong cuoc snippets", "dung thuong con snippets"
"doc trinh java snippets" » "doc tinh java snippets", "doi trinh java snippets", "hoc trinh java snippets"
"locating bug code snippets" » "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: (((("doc trinh java snippets") or ("dung huong com snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc trinh java snippets") OR ("dung huong com snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc trinh java snippets ) or ( dung huong com snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc trinh java snippets") or ("dung huong com snippets"))) or ("locating bug code snippets"))*.