Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"voi cau chap snippets" » "voi cau code snippets", "voi cau cham snippets", "voi cau chan snippets", "voi cau phap snippets", "voi cac chap snippets", "voi can chap snippets", "hoi cau 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: (((("voi 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: (((("voi cau chap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( voi cau chap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi cau chap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.