Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau tra doi snippets" » "ca tra doi snippets", "cau ra doi snippets", "cau truc doi snippets", "cau trao doi snippets", "cau tra loi snippets", "cau tri 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: (((("cau tra 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: (((("cau tra doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau tra doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau tra doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.