Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cach cua cao snippets" » "cach cua code snippets", "cac cua cao snippets", "cach dua cao snippets", "canh cua cao snippets", "cach cua cac snippets", "cach cu cao snippets", "cach cua cay 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: (((("cach cua cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach cua cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cach cua cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach cua cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.