Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu duoi ca snippets" » "theo duoi ca snippets", "phu doi ca snippets", "thu duc ca snippets", "thu doi ca snippets", "thu cuoi cua snippets", "thu nuoi cay 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 duoi ca 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 duoi ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu duoi ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu duoi ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.