Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gom tang cua snippets" » "gom quang cua snippets", "gia tang cua snippets", "dam tang cua snippets", "gom mang cua snippets", "gom hang cua snippets", "gom tang luan 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: (((("gom tang 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: (((("gom tang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gom tang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gom tang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.