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