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