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