Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc tinh cua snippets" » "doc trinh cua snippets", "dac tinh cua snippets", "loc tinh cua snippets", "doc sinh cua snippets", "doc tinh chat 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: (((("doc tinh 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: (((("doc tinh cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc tinh cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc tinh cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.