Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sat hang cau snippets" » "dat hang cau snippets", "mat hang cau snippets", "sat mang cau snippets", "sat hang dau snippets", "sat hang ca snippets", "sat 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: (((("sat 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: (((("sat hang cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sat hang cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sat hang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.