Perhaps you should try some spelling variations:
"trong phat thi snippets" » "trong thuat thi snippets", "trong nha thi snippets", "trong hoat thi snippets", "trong pham thi snippets", "trong phan thi snippets", "trong phap thi snippets", "trong phat thi 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 phat thi 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 phat thi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong phat thi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong phat thi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.