Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"le ngai cua snippets" » "le ngan cua snippets", "le nghi cua snippets", "le nghia cua snippets", "he ngoai cua snippets", "le nguoi cua 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: (((("le ngai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("le ngai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( le ngai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("le ngai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.