Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thanh de bo snippets" » "hanh de bo snippets", "thanh ve bo snippets", "thanh do bo snippets", "thanh de bao snippets", "thanh de 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 de bo 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 de bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thanh de bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thanh de bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.