Perhaps you should try some spelling variations:
"thi trinh chao snippets" » "thi trinh code snippets", "thi trinh chat snippets", "thi trinh han snippets", "thi trinh co snippets", "tho trinh chao snippets", "thi thanh chao snippets", "thi minh chao snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"

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 ("thi trinh chao snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("thi trinh chao snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( thi trinh chao snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("thi trinh chao snippets"))) or ("locating bug core snippets"))*.