Perhaps you should try some spelling variations:
"huong hoi cham snippets" » "huong doi cham snippets", "duong hoi cham snippets", "huong hoa cham snippets", "huong hoi chuc snippets", "huong hoi chu snippets", "huong toc cham 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: (((("huong hoi cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huong hoi cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huong hoi cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huong hoi cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.