Perhaps you should try some spelling variations:
"trong buoc chan snippets" » "trong cuoc chan snippets", "trong nuoc chan snippets", "trong duoc chan snippets", "trong buoc chao snippets", "trong quoc chan snippets", "trong duoc chat 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: (((("trong buoc chan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong buoc chan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong buoc chan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong buoc chan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.