Perhaps you should try some spelling variations:
"hoang tong cuc snippets" » "hoang trong cuc snippets", "hoang tuong cuc snippets", "hoang long cuc snippets", "hoang trong cuoc snippets", "hoang thong cua snippets", "hoang cong chuc 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: (((("hoang tong cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoang tong cuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoang tong cuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoang tong cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.