Perhaps you should try some spelling variations:
"trong mot cac snippets" » "trong moi cac snippets", "trong trot cac snippets", "trong hoat cac snippets", "trong mot cach snippets", "trong mo cac snippets", "trong mot bac snippets"
"dung va java snippets" » "dung java 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 mot cac snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong mot cac snippets") OR ("dung va java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong mot cac snippets ) or ( dung va java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong mot cac snippets") or ("dung va java snippets"))) or ("locating bug code snippets"))*.