Perhaps you should try some spelling variations:
"pham think java slippers" » "pham thi java slippers", "pham thanh java slippers", "pham thang java slippers", "pham trinh java slippers", "pham think java slippery", "pham think java grippers"
"dngu java java snippets" » "ngu java 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: (((("pham think java slippers") or ("dngu java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham think java slippers") OR ("dngu java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pham think java slippers ) or ( dngu java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pham think java slippers") or ("dngu java java snippets"))) or ("locating bug code snippets"))*.