Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van mo cau snippets" » "van mo code snippets", "van mao cau snippets", "van do cau snippets", "van ho cau snippets", "van bo cau snippets", "van co cau snippets", "van mo dau 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 mo cau 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 mo cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van mo cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van mo cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.