Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong cua che snippets" » "cong cua code snippets", "cong cu che snippets", "dong cua che snippets", "huong cua che snippets", "cong cuu che snippets", "cong cua chu snippets", "cong cua cha snippets"
"python using java snippets" » "python using data 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: (((("cong cua che snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong cua che snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong cua che snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cua che snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.