Perhaps you should try some spelling variations:
"trong phan tan snippets" » "truong phan tan snippets", "trong phat tan snippets", "thong phan tan snippets", "trong phan van snippets", "trong phan tap snippets", "trong phan lan snippets", "trong phan tan slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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 phan tan 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 phan tan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong phan tan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong phan tan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.