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