Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh dao bo snippets" » "lanh dao bo snippets", "thanh dat bo snippets", "thanh dam bo snippets", "hanh do bo snippets", "hanh dao o snippets", "hanh dao 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: (((("hanh dao bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh dao bo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh dao bo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh dao bo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.