Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"danh tao trinh slippers" » "danh tao tinh slippers", "danh tho trinh slippers", "danh giao trinh slippers", "doanh tai trinh slippers", "dao tao trinh slippers", "danh tao trinh slippery", "danh tao trinh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("danh tao trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("danh tao trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( danh tao trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("danh tao trinh slippers"))) or ("locating bug code snippets"))*.