Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu con coi snippets" » "thu cong coi snippets", "thuc con coi snippets", "thu co coi snippets", "thu con chi snippets", "thu con co snippets", "thu con chim 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: (((("thu con coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu con coi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu con coi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu con coi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.