Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tap trac cuc snippets" » "tap toan cuc snippets", "tap tai cuc snippets", "tap tac cua snippets", "tap trac hoc 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: (((("tap trac 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: (((("tap trac cuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap trac cuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap trac cuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.