Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat moi he snippets" » "ban moi he snippets", "bat loi he snippets", "vat moi he snippets", "bat moi ve snippets", "bat moi ke snippets", "bat moi de 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: (((("bat moi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bat moi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat moi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat moi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.