Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac quoc ve snippets" » "cac nuoc ve snippets", "cac cuoc ve snippets", "cao quoc ve snippets", "cac quoc te snippets", "cac quoc va 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: (((("cac quoc ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac quoc ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac quoc ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac quoc ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.