Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon vuc cua snippets" » "nhon vuc cua snippets", "hong duc cua snippets", "hon luc cua snippets", "hon tuc cua snippets", "hon uc cua 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: (((("hon vuc 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: (((("hon vuc cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon vuc cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon vuc cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.