Perhaps you should try some spelling variations:
"quan dinh hoe snippets" » "xuan dinh hoe snippets", "quan binh hoe snippets", "quan tinh hoe snippets", "quan dinh hue snippets", "quan dinh hoa snippets", "quan dinh ho snippets"
"dung java java snippets" » "dung va java snippets"
"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: (((("quan dinh hoe snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("quan dinh hoe snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan dinh hoe snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan dinh hoe snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.