Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ton cho snippets" » "thi mon cho snippets", "thi son cho snippets", "thi tan cho snippets", "thi toan cho snippets", "thi ton kho snippets", "thi trong 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 ton 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 ton cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ton cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ton cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.