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