Perhaps you should try some spelling variations:
"danh tho trinh snippets" » "danh tho tinh snippets", "danh tao trinh snippets", "danh thi trinh snippets", "danh cho trinh snippets", "anh tho trinh snippets", "lanh tho trinh snippets", "danh tho trinh slippers"
"dung va java snippets" » "dung java java snippets", "dung va 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: (((("danh tho trinh snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh tho trinh snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh tho trinh snippets ) or ( dung va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh tho trinh snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))*.