Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong danh ca snippets" » "trong danh code snippets", "trong doanh ca snippets", "truong danh ca snippets", "trong anh ca snippets", "trong dan ca snippets", "trong doanh cua snippets", "trong danh cho 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 danh ca 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 danh ca snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trong danh ca snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong danh ca snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.