Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi ke chi snippets" » "thi le chi snippets", "thi kiem chi snippets", "thi kieu chi snippets", "thi ke che snippets", "thi ke thi 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 ke chi 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 ke chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi ke chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi ke chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.