Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"don vi cach snippets" » "don va cach snippets", "don vi mach snippets", "don ve cach snippets", "dong vi cach snippets", "doan vi 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: (((("don vi 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: (((("don vi cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( don vi cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("don vi cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.