Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc ha cong snippets" » "thu ha cong snippets", "thuc va cong snippets", "thuc hanh cong snippets", "thuc hoa cong snippets", "thuc ha dong 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: (((("thuc ha cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc ha cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc ha cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc ha cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.