Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
qua dung » quang dung, su dung, qua song
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo phap tinh - cang thang ((qua dung) or (cua dong)) cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo phap tinh - cang thang ((qua dung) OR (cua dong)) cong tan than cap.
• Adding a wildcard symbol may retrieve word variants: theo phap tinh - cang thang ((qua dung) or (cua dong)) cong tan than cap*.