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