Perhaps you should try some spelling variations:
"sinh thuc con snippets" » "trinh thuc con snippets", "sinh hoc con snippets", "sinh thai con snippets", "sinh thuc co snippets", "sinh thuc can snippets", "sinh thuoc cong snippets"
"hang java java snippets" » "hang va java 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: (((("sinh thuc con snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sinh thuc con snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh thuc con snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh thuc con snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.