Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xac cao chan snippets" » "xac cao chat snippets", "xac cam chan snippets", "xac can chan snippets", "xa cao chan snippets", "bac cao chan snippets", "mach cao 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: (((("xac cao 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: (((("xac cao chan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xac cao chan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xac cao chan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.