Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi thao cui snippets" » "hoi trac cui snippets", "hoi nhap cui snippets", "thi thao cui snippets", "hoi thao cua snippets", "hoi than cui snippets", "hoi tao cu 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: (((("hoi thao cui snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi thao cui snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi thao cui snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi thao cui snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.