Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang xuan ho snippets" » "hoang xuan ho snippets", "hang luan ho snippets", "hang quan ho snippets", "hang xuan ha snippets", "hang xuan huy snippets", "hang xuan thu 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: (((("hang xuan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang xuan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang xuan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang xuan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.