Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khai sat che snippets" » "khao sat che snippets", "khai quat che snippets", "khai sang che snippets", "khai sach che snippets", "khai hat cheo 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: (((("khai sat che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khai sat che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khai sat che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khai sat che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.