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