Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon giau cua snippets" » "lon giai cua snippets", "loan giac cua snippets", "long giao cua snippets", "lon gian cua snippets", "lon gia cua snippets", "lon dieu 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: (((("lon giau 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: (((("lon giau cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon giau cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon giau cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.