Perhaps you should try some spelling variations:
"dong thuoc bo snippets" » "dung thuoc bo snippets", "dang thuoc bo snippets", "don thuoc bo snippets", "dong thuoc ho snippets", "dong hoc bo snippets", "dong thuoc ma 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: (((("dung java java snippets") or ("dong thuoc bo snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dong thuoc bo snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dong thuoc bo snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dong thuoc bo snippets"))) or ("locating bug code snippets"))*.