Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"so cau det snippets" » "so cau de snippets", "so cau den snippets", "so cau dieu snippets", "so cap det snippets", "bo cau det snippets", "co cau det 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: (((("so cau det snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("so cau det snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( so cau det snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("so cau det snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.