Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi bo cham snippets" » "thi bo cam snippets", "thi co cham snippets", "thi toc cham snippets", "thi bao cham snippets", "thi mo cham snippets", "thi ba cham 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 cham 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 cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi bo cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi bo cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.