Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"sat lan tranh slippers" » "sat lanh tranh slippers", "sat luan tranh slippers", "sat can tranh slippers", "sau lan tranh slippers", "sat van tranh slippers", "dat luan tranh slippers", "sat lan tranh slippery", "sat lan tranh 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 ("sat lan tranh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("sat lan tranh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( sat lan tranh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("sat lan tranh slippers"))) or ("locating bug code snippets"))*.