Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luong tin du snippets" » "thong tin du snippets", "luong tai du snippets", "luong thi du snippets", "luong tin di snippets", "luong ton du snippets", "luong tin tu 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: (((("luong tin du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong tin du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luong tin du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong tin du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.