Perhaps you should try some spelling variations:
"using java core snippets" » "using data core snippets"
"cac cap cua snippets" » "cao cap cua snippets", "cac cam cua snippets", "cac cau cua snippets", "cac cap cuu snippets", "cac ca cua snippets", "cac tap cua snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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 core snippets") or ("cac cap cua snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java core snippets") OR ("cac cap cua snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( cac cap cua snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("cac cap cua snippets"))) or ("locating bug code snippets"))*.