Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lai thi loan snippets" » "lai thi lan snippets", "lai thi hoan snippets", "lai thi lien snippets", "tai thi loan snippets", "bai thi loan snippets", "hai thi loan 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: (((("lai thi loan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lai thi loan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lai thi loan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lai thi loan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.