Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuoc he cua snippets" » "thuoc ho cua snippets", "thuoc theo cua snippets", "hoc he cua snippets", "thuoc le cua snippets", "thuoc hu cua snippets", "thuoc de 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: (((("thuoc he 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: (((("thuoc he cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuoc he cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuoc he cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.