Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat va loi snippets" » "xuat va loi snippets", "luat ve loi snippets", "suat va loi snippets", "luat van loi snippets", "luat va doi 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: (((("luat va loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luat va loi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat va loi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat va loi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.