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