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