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