Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tieu danh du snippets" » "dieu danh du snippets", "tiep danh du snippets", "thien danh du snippets", "tieu danh dau snippets", "tieu danh tu snippets", "tieu dinh du 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: (((("tieu danh 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: (((("tieu danh du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tieu danh du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tieu danh du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.