Perhaps you should try some spelling variations:
"cung tao trinh slippers" » "cung tao tinh slippers", "cung tho trinh slippers", "cung giao trinh slippers", "cung sao trinh slippers", "cung ta trinh slippers", "cung tai trinh slippers", "cung tao trinh slippery", "cung tao 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: (((("cung tao 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: (((("cung tao trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung tao trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung tao trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.