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