Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc dong cuc snippets" » "hoc duong cuc snippets", "hoc cong cuc snippets", "hoc dung cuc snippets", "hoc dong luc snippets", "hoc dong cua snippets", "hoc tong cuc 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 dong cuc 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 dong cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc dong cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc dong cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.