Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thanh chau » thanh cha, thanh cham, thanh chu
hoc tieng » hoc hien
tranh cua » doanh cua, manh cua
thanh cau » thanh mau, nhanh cau, thanh ca
hoc tien » hoc hien, hoc vien, hoc tren
cua dung » cua dang, cua dong, qua dung
dung ung » dung cong
ung quan » dung quan, uong quan, luong quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc tien) or (hoc tieng)) manh - hanh tranh cua dung ung quan ((thanh cau) OR (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc tien) OR (hoc tieng)) manh - hanh tranh cua dung ung quan ((thanh cau) OR (thanh chau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc tien) or (hoc tieng)) manh - hanh tranh cua dung ung quan ((thanh cau) OR (thanh chau))*".