Perhaps you should try some spelling variations:
"trinh dinh chon snippets" » "trinh dinh code snippets", "trinh kinh chon snippets", "trinh sinh chon snippets", "trinh dung chon snippets", "trinh dinh cuong snippets", "trinh dinh phong snippets", "trinh dinh chinh snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java 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: (((("dung java java snippets") or ("trinh dinh chon snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trinh dinh chon snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh dinh chon snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh dinh chon snippets"))) or ("locating bug core snippets"))*.