Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham bo hon snippets" » "cham o hon snippets", "cham bi hon snippets", "chat bo hon snippets", "cham bo ho snippets", "cham bo ion snippets", "cham ro hon 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: (((("cham bo hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cham bo hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham bo hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham bo hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.