Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc phuc cua snippets" » "duc phuc cua snippets", "luc hoc cua snippets", "huu phuc cua snippets", "luc thuc cua snippets", "luc phuc vu 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 phuc cua 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 phuc cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc phuc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc phuc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.