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