Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"loi lan do snippets" » "loai lan do snippets", "loi lanh do snippets", "loi can do snippets", "loi ban do snippets", "loi van do snippets", "loi lan o 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: (((("loi lan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("loi lan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loi lan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loi lan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.