Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nghi via cua snippets" » "nghi va cua snippets", "nghi giau cua snippets", "nghi viet cua snippets", "nghi gia cua snippets", "nghi gian cua 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: (((("nghi via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nghi via cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nghi via cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nghi via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.