Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc chuan ve snippets" » "luc chua ve snippets", "luc luan ve snippets", "luc quan ve snippets", "luc chuan he snippets", "luc chuan va snippets", "luc chuan vn 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 chuan ve 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 chuan ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc chuan ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc chuan ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.