Perhaps you should try some spelling variations:
"dau nuoc cham snippets" » "dau nuoc chau snippets", "dau nuoc chay snippets", "dau nguoi cham snippets", "dat nuoc cham snippets", "dau ngoc cham snippets", "cap nuoc cham snippets"
"dung java java snippets" » "dung va java 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: (((("dau nuoc cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau nuoc cham snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau nuoc cham snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau nuoc cham snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.