Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cham so snippets" » "thi hai so snippets", "toc cham so snippets", "thi ha so snippets", "thi cham soc snippets", "thi cham o snippets", "thi ham so 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 cham so 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 cham so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cham so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cham so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.