Perhaps you should try some spelling variations:
tranh han » tranh hang, trinh han, tranh ban
khi xanh » khia canh, thi hanh, thi oanh
ung cong » dung cong, luong cong, duong cong
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho
thi anh » thi hanh, thi thanh, thich anh
han ung » phan ung, chan dung, han tong

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) or (thi anh)) - canh tranh han ung cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((khi xanh) OR (thi anh)) - canh tranh han ung cong tan tran cao.
• Adding a wildcard symbol may retrieve word variants: doi ((khi xanh) or (thi anh)) - canh tranh han ung cong tan tran cao*.