Perhaps you should try some spelling variations:
"hang luong java slippers" » "hang luong va slippers", "nang luong java slippers", "hang thuong java slippers", "hoang vuong java slippers", "hang luong java slippery", "hang luong java grippers"
"using a code snippets" » "using a core snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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: (((("using a code snippets") or ("hang luong java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a code snippets") OR ("hang luong java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using a code snippets ) or ( hang luong java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a code snippets") or ("hang luong java slippers"))) or ("locating bug code snippets"))*.