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