Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gap nhoi cho snippets" » "gap phoi cho snippets", "gap nguoi cho snippets", "cap phoi cho snippets", "gap hoi cho snippets", "gap noi cho snippets", "gap choi cho 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: (((("gap nhoi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gap nhoi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gap nhoi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gap nhoi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.