Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh ve hoa snippets" » "hanh vi hoa snippets", "hanh va hoa snippets", "hanh kem hoa snippets", "hanh ve khoa snippets", "hanh ve hoat 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: (((("hanh ve hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh ve hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh ve hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh ve hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.