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