Perhaps you should try some spelling variations:
"dang tinh xach snippets" » "dang dinh xach snippets", "dang sinh xach snippets", "dang vinh xach snippets", "dang tinh cach snippets", "dang tinh mach snippets", "dang trinh mach snippets", "dang tinh xach 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: (((("dang tinh xach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang tinh xach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang tinh xach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang tinh xach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.