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