Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc lieu doi snippets" » "luc dieu doi snippets", "duoc lieu doi snippets", "du lieu doi snippets", "luc lieu boi snippets", "luc lieu voi snippets", "luc lieu dai 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: (((("luc lieu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc lieu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc lieu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc lieu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.