Perhaps you should try some spelling variations:
"anh tieu trinh snippets" » "anh tien trinh snippets", "anh tien thinh snippets", "anh trieu tinh snippets", "anh sieu trinh snippets", "anh tieng trinh snippets", "dinh tieu trinh snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung 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: (((("anh tieu trinh snippets") or ("dung java java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh tieu trinh snippets") OR ("dung java java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh tieu trinh snippets ) or ( dung java java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh tieu trinh snippets") or ("dung java java slippers"))) or ("locating bug code snippets"))*.