Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc tu con snippets" » "thuoc tru con snippets", "thuoc tai con snippets", "thuoc cuc con snippets", "thuoc tu cong snippets", "thuoc tu chon snippets", "thuoc tu co 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: (((("thuoc tu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuoc tu con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc tu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc tu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.