Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van bai da snippets" » "van ban da snippets", "van bao da snippets", "van hai da snippets", "van bai ca snippets", "van ai da snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 bai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van bai da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van bai da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van bai da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.