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