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