Perhaps you should try some spelling variations:
nhanh than » nhanh thanh, nhanh thang, nhanh thai
tieu sang » chieu sang, tieu dung, tinh sang
tiem nang » tin nang, tich nang
dang cong » dung cong
than cua » nhan cua, thai cua, ban cua
cua dang » cua cong, cua ban
cong tac » cong ty
tac phat » tac pham, tam phat, tan phat
phat cau » phan cau, pha cau, phap cau

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 sang) or (tiem nang)) - nhanh than cua dang cong tac phat cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu sang) OR (tiem nang)) - nhanh than cua dang cong tac phat cau*.