Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi ho chieu snippets" » "noi theo chieu snippets", "noi hoc thieu snippets", "noi doi chieu snippets", "noi cho chieu snippets", "noi tho chieu snippets", "noi bo chieu 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: (((("noi ho chieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi ho chieu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi ho chieu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi ho chieu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.