Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mot chieu ke snippets" » "mot chien ke snippets", "doi chieu ke snippets", "ho chieu ke snippets", "mot hieu ky snippets", "mot hieu ve snippets", "mot hieu kem 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: (((("mot chieu ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mot chieu ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mot chieu ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mot chieu ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.