Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van ha cu snippets" » "van hoa cu snippets", "van chat cu snippets", "van hanh cu snippets", "van hat cu snippets", "van hay cu snippets", "van nha cu 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 ha cu 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 ha cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van ha cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ha cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.