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