Perhaps you should try some spelling variations:
"tinh van trinh slippers" » "tinh van thinh slippers", "tinh van tinh slippers", "tinh dan trinh slippers", "trinh van trinh slippers", "dinh van trinh slippers", "tinh va trinh slippers", "tinh van trinh slippery", "tinh van trinh grippers"
"dung java java snippets" » "dung va java snippets"
"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: (((("tinh van 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: (((("tinh van trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tinh van trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tinh van trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.