Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi anh ve snippets" » "chi danh ve snippets", "chi hanh ve snippets", "thi anh ve snippets", "chi anh va snippets", "chi anh viet 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 ve 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 ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi anh ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi anh ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.