Perhaps you should try some spelling variations:
"anh trinh chao snippets" » "anh trinh code snippets", "anh trinh chat snippets", "anh trinh han snippets", "anh trinh co snippets", "hanh trinh chao snippets", "anh tinh chao snippets", "thanh trinh chao 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: (((("anh trinh chao snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh trinh chao snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( anh trinh chao snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh trinh chao snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.