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