Perhaps you should try some spelling variations:
"chinh sua trinh snippets" » "chinh su trinh snippets", "chinh cua trinh snippets", "chinh luan trinh snippets", "chinh qua trinh snippets", "chinh xuan trinh snippets", "chinh quy trinh snippets", "chinh sua trinh slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("chinh sua trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chinh sua trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chinh sua trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chinh sua trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.