Perhaps you should try some spelling variations:
"hat xuan trinh snippets" » "hat qua trinh snippets", "hat xuan dinh snippets", "hat xuan kinh snippets", "hat quan trinh snippets", "ha xuan trinh snippets", "pham xuan trinh snippets", "hat xuan 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: (((("hat xuan 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: (((("hat xuan trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat xuan trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat xuan trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.