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