Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi tam cho snippets" » "thi thao cho snippets", "thi tran cho snippets", "thi tap cho snippets", "thi tam ho snippets", "thi lam cho 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 tam cho 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 tam cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi tam cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi tam cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.