Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han moi he snippets" » "hanh moi he snippets", "phan moi he snippets", "ban moi he snippets", "han moi ve snippets", "han moi ke snippets", "han moi de 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: (((("han moi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han moi he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han moi he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han moi he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.