Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat luoc can snippets" » "nhat nuoc can snippets", "khai luoc can snippets", "khat nuoc can snippets", "hat luc canh snippets", "hat hoc can snippets", "hat luoc dai 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: (((("hat luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat luoc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat luoc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat luoc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.