Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac nam cham snippets" » "bac nang cham snippets", "bac nam chi snippets", "bac nam cao snippets", "bac am cham snippets", "ban nam cham snippets", "bau nam 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: (((("bac nam 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: (((("bac nam cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac nam cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac nam cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.