Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tham mot doi snippets" » "thanh mot doi snippets", "ham mat doi snippets", "tai mot doi snippets", "tham moi doi snippets", "tham hoat doi snippets", "tham mong doi 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: (((("tham mot doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tham mot doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tham mot doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham mot doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.