Perhaps you should try some spelling variations:
"dung trinh tam snippets" » "dung tinh tam snippets", "dong trinh tam snippets", "cong trinh tam snippets", "dung trinh tai snippets", "dung trinh toan snippets", "dung trinh cham snippets"
"dang java java slippers" » "dang va java slippers", "dang java java slippery", "dang java java grippers"
"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: (((("dang java java slippers") or ("dung trinh tam snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang java java slippers") OR ("dung trinh tam snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang java java slippers ) or ( dung trinh tam snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang java java slippers") or ("dung trinh tam snippets"))) or ("locating bug code snippets"))*.