Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than doi du snippets" » "thanh doi du snippets", "thay doi du snippets", "than doc du snippets", "than doi dau snippets", "than doi deu snippets", "than doi duy 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: (((("than doi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than doi du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than doi du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than doi du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.