Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tim ban cho snippets" » "tam ban cho snippets", "tim bao cho snippets", "tim man cho snippets", "tim ban cheo snippets", "tim bang cho snippets", "tim ban 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: (((("tim ban 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: (((("tim ban cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tim ban cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tim ban cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.