Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets"
"dong hoi cach snippets" » "dong hoc cach snippets", "dong hoa cach snippets", "tong hop cach snippets", "dong loi cach snippets", "dong doi cach 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: (((("dong hoi cach snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong hoi cach snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong hoi cach snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hoi cach snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.