Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu tu hoan snippets" » "chu thu hoan snippets", "chu su hoan snippets", "chu vu hoan snippets", "cau tu hoan snippets", "thu tu hoan snippets", "chung tu hoan 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: (((("chu tu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chu tu hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu tu hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu tu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.