Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van cho cham snippets" » "van cho code snippets", "van co cham snippets", "van chao chao snippets", "van chin cham snippets", "van chi cham snippets", "san cho cham snippets", "van chat cham 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 cho cham 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 cho cham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van cho cham snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van cho cham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.