Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van ca me snippets" » "van cau me snippets", "van cua me snippets", "dan ca me snippets", "van cha me snippets", "van ba me snippets", "van ca ve 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 ca me 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 ca me snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( van ca me snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van ca me snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.