Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tham cu chi snippets" » "tham du chi snippets", "tham cung chi snippets", "thai cua chi snippets", "tham cu cho snippets", "tham ca chi 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 cu chi 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 cu chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tham cu chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tham cu chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.