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