Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trong cach con snippets" » "trong cach code snippets", "trong cac con snippets", "trong mach con snippets", "trong canh con snippets", "trong cach hoan snippets", "trong cac cong snippets", "trong cac co 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 cach con 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 cach con snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( trong cach con snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong cach con snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.