Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc hat ke snippets" » "duoc chat ke snippets", "duoc ha ke snippets", "duoc bat ke snippets", "duoc hat de snippets", "duoc hat le snippets", "duoc hoat keo 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: (((("duoc hat 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: (((("duoc hat ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc hat ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc hat ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.