Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat lam dong snippets" » "hat lao dong snippets", "hat lam sang snippets", "hat ha dong snippets", "nhat lam dong snippets", "phat lam dong snippets", "dat lam dong 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 lam dong 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 lam dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat lam dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat lam dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.