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