Perhaps you should try some spelling variations:
"trong tho lon snippets" » "trong thoi lon snippets", "trong thu lon snippets", "trong thi lon snippets", "trong cho lon snippets", "trong khoi lon snippets", "trong thit lon 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 tho lon 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 tho lon snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong tho lon snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong tho lon snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.