Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vot cac cau snippets" » "voi cac cau snippets", "mot cach cau snippets", "vat cach cau snippets", "vot cac mau snippets", "vot bac cau snippets", "vot ca cau 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: (((("vot cac cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vot cac cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vot cac cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vot cac cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.