Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc gia cau snippets" » "luoc gia cau snippets", "duc gia cau snippets", "quoc gia cau snippets", "luc giua cau snippets", "luc giay cau snippets", "luc gia cam 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: (((("luc gia cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc gia cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc gia cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc gia cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.