Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong cong » phong cong, phung cong, phuong hoang
phuong dong » phuong dung, phuong hoang, chuong duong
hanh trang » canh tranh, hanh trinh, minh trang
thanh toan » thanh hoa, thanh san, tinh toan
hieu lang » chieu sang, hieu quang, nhieu tang
toan cao » toan ban, toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((thanh trung) or (hanh trang)) va ((phuong cong) OR (phuong dong)) thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((thanh trung) OR (hanh trang)) va ((phuong cong) OR (phuong dong)) thanh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((thanh trung) or (hanh trang)) va ((phuong cong) OR (phuong dong)) thanh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((thanh trung) or (hanh trang)) va ((phuong cong) OR (phuong dong)) thanh toan cao*.