Perhaps you should try some spelling variations:
thanh tung » thanh cong
hieu lang » chieu sang, hieu quang, nhieu tang
tac thong » tac thuong, tac trong, tac chong
thong qua » thong quan, thong cua, thong tu
doi hieu » doi chieu, doc hieu, doi hien
tung tac » tuong tac, ung tac, trung tam
qua phap » quan phap, cua phap, qua phan
phap cap » hap cap, phap ca, phap cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - thanh tung tac thong thong qua phap cap~.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - thanh tung tac thong thong qua phap cap*.