Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va lam noc snippets" » "va lam ngoc snippets", "va lai noc snippets", "va lam duoc snippets", "van lam noc snippets", "va lap noc 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 lam noc 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 lam noc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va lam noc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va lam noc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.