Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu phoi cu snippets" » "thu hoi cu snippets", "thu hai cu snippets", "thu chi cu snippets", "thu pho cu snippets", "thu phoi tu 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 phoi cu 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 phoi cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thu phoi cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thu phoi cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.