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