Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu thu hoan snippets" » "chu thi hoan snippets", "chu thu hoach snippets", "chu thu ha snippets", "chu tu hoan snippets", "cuu thu 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 thu 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 thu hoan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu thu hoan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu thu hoan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.