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