Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat moi hon snippets" » "nha moi hon snippets", "nhat mpsi hon snippets", "nhap mon hon snippets", "nhat moi con snippets", "nhat moi huong snippets", "nhat moi thoi 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: (((("nhat moi hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat moi hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat moi hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat moi hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.