Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao sac cua snippets" » "hat sac cua snippets", "khao sat cua snippets", "cao sach cua snippets", "hao sach cua snippets", "hao tac cua snippets", "hao cac 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: (((("hao sac 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: (((("hao sac cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao sac cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao sac cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.