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