Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, nhanh quang, nhanh thang
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh mang » hanh trang, nhanh lang, thanh hang
dang cong » dung cong
hung bien » hung yen
van dang » van dong, van dung, van nang
cong dac » cong tac, cong dan, cong cac
dac hung » duc hung, dac nhuong, dac phuong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu tinh - ((hanh mang) or (nhanh mang)) van dang cong dac hung bien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - ((hanh mang) OR (nhanh mang)) van dang cong dac hung bien*.