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