Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cao cong che snippets" » "cao cong code snippets", "cac cong che snippets", "cao dang che snippets", "cua cong che snippets", "cao cong cho snippets", "cao cong chi snippets", "cao cong chu snippets"
"using java java snippets" » "using data java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java java snippets") or ("cao cong che snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("cao cong che snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( cao cong che snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("cao cong che snippets"))) or ("locating bug core snippets"))*.