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