Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bich nga cau snippets" » "bich ngu cau snippets", "bich ngan can snippets", "dich nga cau snippets", "tich nga cau snippets", "binh nga 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: (((("bich nga 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: (((("bich nga cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bich nga cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bich nga cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.