Perhaps you should try some spelling variations:
"dung suat chat snippets" » "dung suat code snippets", "ung suat chat snippets", "dung luat chat snippets", "dung quat chat snippets", "dung sat chat snippets", "dung soat chat snippets", "dung luan chat snippets"
"locating bug core snippets" » "locating bug code snippets"
"hang java java snippets" » "hang 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 suat chat snippets") or ("hang java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung suat chat snippets") OR ("hang java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung suat chat snippets ) or ( hang java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung suat chat snippets") or ("hang java java snippets"))) or ("locating bug core snippets"))*.