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