Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ngay doc snippets" » "thi nga doc snippets", "thi ngan doc snippets", "thi ngoc doc snippets", "thi ngay do snippets", "thi ngay moi snippets", "thi ngay 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: (((("thi ngay doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi ngay doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ngay doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ngay doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.