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