Perhaps you should try some spelling variations:
dung cong » dung trong
khi xanh » khia canh, thi hanh, thi anh
anh gian » anh giang, anh giao, manh giang
gian cua » gian xu, ban cua
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban

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 - anh gian cua dung cong tan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - anh gian cua dung cong tan ((toan cao) OR (toan tap))*.