Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va trac cuu snippets" » "va tra cuu snippets", "va tac cua snippets", "va truc cu snippets", "va tac cuu snippets", "tap trac cuu 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: (((("va trac cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va trac cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va trac cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va trac cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.