Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan via cua snippets" » "nhan va cua snippets", "nhan vien cua snippets", "nhan viet cua snippets", "nhan gia cua snippets", "nhan gian cua snippets", "nhan giau 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: (((("nhan 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: (((("nhan via cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan via cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan via cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.