Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so thao cui snippets" » "so thao cua snippets", "so than cui snippets", "so tao cu snippets", "soan thao cui snippets", "hoi thao cui 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: (((("so 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: (((("so thao cui snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so thao cui snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so thao cui snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.