Perhaps you should try some spelling variations:
"chieu sang java slippers" » "chieu sach java slippers", "chieu xanh java slippers", "hieu lang java slippers", "chieu using java slippers", "chieu sang va slippers", "chieu sang java slippery", "chieu sang java 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: (((("chieu sang java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chieu sang java slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chieu sang java slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chieu sang java slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.