Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc lai dong snippets" » "doc lao dong snippets", "doc lam dong snippets", "doc lai hong snippets", "doc lap dong snippets", "doc hai dong snippets", "duc lai dong 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: (((("doc lai dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc lai dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc lai dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc lai dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.