Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc danh che snippets" » "hoc dan che snippets", "hoc anh che snippets", "hoc hanh che snippets", "hoc danh cho snippets", "hoc danh chi snippets", "hoc dinh che 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: (((("python using java snippets") or ("hoc danh che snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoc danh che snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc danh che snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc danh che snippets"))) or ("locating bug code snippets"))*.