Perhaps you should try some spelling variations:
"trong thanh cau snippets" » "truong thanh cau snippets", "trung thanh cau snippets", "rong thanh cau snippets", "trong thanh chau snippets", "trong thanh mau snippets", "trong nhanh cau 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 thanh 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 thanh cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong thanh cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong thanh cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.