Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hon mat cua snippets" » "hong mat cua snippets", "con mat cua snippets", "hon dat cua snippets", "hon ma cua snippets", "hon manh cua snippets", "hon mang 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 mat 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 mat cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hon mat cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hon mat cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.