Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc thap go snippets" » "luc tham go snippets", "luc tai go snippets", "luc nhat go snippets", "luc than go snippets", "luc thap co 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 thap go 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 thap go snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc thap go snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc thap go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.