Perhaps you should try some spelling variations:
"trong hoc tan snippets" » "truong hoc tan snippets", "tuong hoc tan snippets", "trong hoa tan snippets", "trong hoc dan snippets", "trong hoc tap snippets", "trong hoc tai snippets", "trong hoc 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 hoc 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 hoc tan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong hoc tan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong hoc tan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.