Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon khoi cua snippets" » "hoc khoi cua snippets", "hun khoi cua snippets", "hong khoa cua snippets", "hon hoi cua snippets", "hon khi cua snippets", "hon kho 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 khoi 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 khoi cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon khoi cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon khoi cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.