Perhaps you should try some spelling variations:
"trong thanh cad snippets" » "truong thanh cad snippets", "trung thanh cad snippets", "rong thanh cad snippets", "trong hanh cad snippets", "trong thanh ca snippets", "trong thanh cac 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: (((("trong thanh cad snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong thanh cad snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trong thanh cad snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trong thanh cad snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.