Perhaps you should try some spelling variations:
"hanh thong cau snippets" » "anh thong cau snippets", "hanh trong cau snippets", "hinh thong cau snippets", "hanh thong cac snippets", "hanh thong cap snippets", "hanh thong tu 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: (((("hanh thong 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: (((("hanh thong cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh thong cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh thong cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.