Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuc toa cua snippets" » "chuc hoat cua snippets", "chuc va cua snippets", "chuc thi cua snippets", "chuc toan cua snippets", "chuc hoa cua snippets", "chuc hoan 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: (((("chuc toa 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: (((("chuc toa cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuc toa cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc toa cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.