Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan ve mong snippets" » "nhan va mong snippets", "nhat ve mong snippets", "nhin ve mong snippets", "nhan ve cong snippets", "nhan ve dong 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 ve mong 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 ve mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan ve mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan ve mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.