Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
tranh han » tranh hang, trinh han, tranh ban
khi xanh » khia canh, thi hanh, thi oanh
ung cong » dung cong, luong cong, cuong cong
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
thi anh » thi hanh, thi thanh, thich anh

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) OR (duong cong)) tan toan 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) OR (duong cong)) tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((khi xanh) or (thi anh)) - canh tranh han ((ung cong) OR (duong cong)) tan toan cao".
• Adding a wildcard symbol may retrieve word variants: doi ((khi xanh) or (thi anh)) - canh tranh han ((ung cong) OR (duong cong)) tan toan cao*.