Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi sang che snippets" » "moi dang che snippets", "buoi sang che snippets", "doi song che snippets", "moi sang cho snippets", "moi han che snippets", "moi hang cho 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: (((("moi sang 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: (((("moi sang che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi sang che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi sang che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.