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