Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"danh tho trinh slippers" » "danh tho tinh slippers", "danh tao trinh slippers", "danh thi trinh slippers", "danh cho trinh slippers", "anh tho trinh slippers", "lanh tho trinh slippers", "danh tho trinh slippery", "danh tho trinh grippers"
"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: (((("dung java java snippets") or ("danh tho 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 tho trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( danh tho trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("danh tho trinh slippers"))) or ("locating bug code snippets"))*.