Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong chat cuc snippets" » "cong chat code snippets", "cong nhat cuc snippets", "cong cua cuc snippets", "cong ha cuc snippets", "cong chat cua snippets", "cong chat xuc snippets", "cong chi cuc 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: (((("cong chat cuc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong chat cuc snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong chat cuc snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong chat cuc snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.