Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat luu cach snippets" » "hat cuu cach snippets", "hat luu hanh snippets", "hat loi cach snippets", "chat huu cach snippets", "chat lua cach snippets", "phap luu cach 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 luu cach 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 luu cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat luu cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat luu cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.