Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac tan cach snippets" » "dac dan cach snippets", "dac tap cach snippets", "dac tinh cach snippets", "duc tan cach snippets", "dac san cach snippets", "dai tan cach 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: (((("dac tan cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac tan cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac tan cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac tan cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.