Perhaps you should try some spelling variations:
"quan dinh che snippets" » "xuan dinh che snippets", "quan binh che snippets", "quan tinh che snippets", "quan dinh chi snippets", "quan dich che snippets", "quan dinh chien 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 che 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 che snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan dinh che snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan dinh che snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.