Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can hang cau snippets" » "ban hang cau snippets", "van hang cau snippets", "can bang cau snippets", "can hang dau snippets", "can hang ca snippets", "can nhung cau 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: (((("can hang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can hang cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can hang cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can hang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.