Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dong van cuc snippets" » "duong van cuc snippets", "dang van cuc snippets", "dong von cuc snippets", "dong van duc snippets", "dong van luc snippets", "dong van cu 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 van cuc 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 van cuc snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong van cuc snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong van cuc snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.