Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java java snippets" » "using data java snippets", "using java java slippers"
"cao cong java snippets" » "cao cong va snippets", "cac cong java snippets", "cao dang java snippets", "cua cong java snippets", "cao cong java slippers"

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: (((("cao cong java snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao cong java snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( cao cong java snippets ) or ( using java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao cong java snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))*.