Perhaps you should try some spelling variations:
"khang anh trac slippers" » "khang sinh trac slippers", "khang benh trac slippers", "khuong anh trac slippers", "khang anh tuan slippers", "khang anh thuc slippers", "khang anh trac slippery", "khang anh trac grippers"
"hang java java snippets" » "hang 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: (((("khang anh trac slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khang anh trac slippers") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khang anh trac slippers ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khang anh trac slippers") or ("hang java java snippets"))) or ("locating bug code snippets"))*.