Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"loi nin toan snippets" » "loi tinh toan snippets", "loi tien toan snippets", "loi lien toan snippets", "loi mien toan 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 nin toan 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 nin toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loi nin toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loi nin toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.