Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu hai chu snippets" » "huu han chu snippets", "huu tai chu snippets", "huu hanh chu snippets", "huu hai chau snippets", "huu hoi chu snippets", "huu hai chi 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: (((("huu hai chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("huu hai chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu hai chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu hai chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.