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