Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi bo tre snippets" » "thi bao tre snippets", "thi mo tre snippets", "thi ba tre snippets", "thi bo tri snippets", "thi o tre snippets", "thi bo triet 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: (((("thi bo tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi bo tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi bo tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi bo tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.