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