Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong bac chat snippets" » "dong bang chat snippets", "dong luc chat snippets", "dong hoc chat snippets", "dong ban chat snippets", "dong bao chat snippets", "dong cac chat snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dong bac chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong bac chat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong bac chat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong bac chat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.