Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu vat chi snippets" » "thuc vat chi snippets", "thu va chi snippets", "thuat vat chi snippets", "thu van chi snippets", "thu vat khi 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 vat chi 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 vat chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu vat chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu vat chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.