Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian hoc chu snippets" » "gian hoi chu snippets", "gian hoa chu snippets", "gian doc chu snippets", "gian hoc cau snippets", "gian hoc cho snippets", "gian hoc thuc 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: (((("gian hoc chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian hoc chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian hoc chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian hoc chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.