Perhaps you should try some spelling variations:
thanh trung » thanh tung
dang cong » dung cong
khi xanh » khia canh, thi hanh, thi anh
trung ca » trung cap, truong ca, trung cua
cong tan » cong tac, cong san, cong thanh
hanh tap » hanh tai, hang tap, hanh cap
ca dang » cao dang, cua dang, cac dang
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi xanh - thanh trung ca dang cong tan ((hanh tap) or (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - thanh trung ca dang cong tan ((hanh tap) OR (han tap)).
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - thanh trung ca dang cong tan ((hanh tap) or (han tap))*.