Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trong trinh do snippets" » "trong tinh do snippets", "trang trinh do snippets", "trong thinh do snippets", "trong trinh ky snippets"
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets", "dung bug code 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: (((("trong trinh do snippets") or ("dung hung code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong trinh do snippets") OR ("dung hung code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trong trinh do snippets ) or ( dung hung code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong trinh do snippets") or ("dung hung code snippets"))) or ("locating bugs code snippets"))*.