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