Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh loi cac snippets" » "minh loc cac snippets", "dinh loi cac snippets", "minh hoi cac snippets", "minh loi cach snippets", "minh voi cac snippets", "minh loi ca 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: (((("minh loi cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh loi cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh loi cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh loi cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.