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