Perhaps you should try some spelling variations:
"quy trinh cau snippets" » "qua trinh cau snippets", "quy dinh cau snippets", "quy trinh chat snippets", "quy trinh chao snippets", "quy trinh 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: (((("quy trinh 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: (((("quy trinh cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quy trinh cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quy trinh cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.