Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tri han lee snippets" » "tri nhan lee snippets", "tri hoan lee snippets", "tri phan lee snippets", "tri han lew snippets", "tri tan lee snippets", "tri shin lee 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: (((("tri han lee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri han lee snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tri han lee snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tri han lee snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.