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