Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lieu sau doi snippets" » "hieu sau doi snippets", "lieu suu doi snippets", "lieu va doi snippets", "lieu sau dai snippets", "lieu cau doi snippets", "lieu su 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: (((("lieu sau 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: (((("lieu sau doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lieu sau doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lieu sau doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.