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