Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc mon chi snippets" » "hoc moi chi snippets", "hoc mot chi snippets", "hoc cong chi snippets", "hoc con chi snippets", "hoc mon chu snippets", "hoc toan chi 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: (((("hoc mon chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc mon chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc mon chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc mon chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.