Perhaps you should try some spelling variations:
"gian hieu trinh slippers" » "gian tieu trinh slippers", "gian lieu tinh slippers", "gian tien trinh slippers", "gian viet trinh slippers", "van hieu trinh slippers", "tin hieu trinh slippers", "gian hieu trinh slippery", "gian hieu 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: (((("gian hieu 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: (((("gian hieu trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian hieu trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian hieu trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.