Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh doc co snippets" » "than doc co snippets", "thanh do co snippets", "nhanh doc co snippets", "thanh duoc co snippets", "thanh doc cao snippets", "thanh hoc co 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: (((("thanh doc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thanh doc co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh doc co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh doc co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.