Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"day van hoe snippets" » "day va hoe snippets", "dao van hoe snippets", "duy van hoe snippets", "day van hoa snippets", "day van hoc snippets", "day van hieu 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: (((("day van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("day van hoe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( day van hoe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("day van hoe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.