Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sang ban du snippets" » "hang ban du snippets", "nang ban du snippets", "sang bae du snippets", "sang ban dau snippets", "sang van du snippets", "sang ban tu 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: (((("sang ban 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: (((("sang ban du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang ban du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang ban du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.