Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi luu tre snippets" » "thi huu tre snippets", "thi buu tre snippets", "thi lu tre snippets", "thi luu tru snippets", "thi cuu tre snippets", "thi luy tre 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 luu 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 luu tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi luu tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi luu tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.