Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets"
"luong java java snippets" » "luong va java snippets"
"dung van cong snippets" » "duong van cong snippets", "dung va cong snippets", "dang van cong snippets", "dung van dong snippets", "dung van phong snippets", "dung phan cong 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 van cong snippets") or ("luong java java snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung van cong snippets") OR ("luong java java snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( dung van cong snippets ) or ( luong java java snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung van cong snippets") or ("luong java java snippets"))) or ("locating bung code snippets"))*.