Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san nhoi cho snippets" » "san choi cho snippets", "san noi cho snippets", "san ngoai cho snippets", "san hoi 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: (((("san 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: (((("san nhoi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san nhoi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san nhoi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.