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