Perhaps you should try some spelling variations:
"trong anh cau snippets" » "truong anh cau snippets", "trong nganh cau snippets", "trong doanh cau snippets", "trong danh cau snippets", "trong anh mau snippets", "trong anh ca 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: (((("trong anh cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong anh cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong anh cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong anh cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.