Perhaps you should try some spelling variations:
"dong huong mong snippets" » "dong thuong mong snippets", "dong duong mong snippets", "cong huong mong snippets", "dong huong dong snippets", "dong huong rong snippets", "dong phuong dong snippets"
"dung java java snippets" » "dung va 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: (((("dong huong mong snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong huong mong snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong huong mong snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong huong mong snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.