Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » hoc hien
tranh cua » doanh cua, manh cua
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
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: ((hoc thieu) or (toc thieu)) xanh - hanh tranh cua dong ((cong san) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - hanh tranh cua dong ((cong san) OR (cong thanh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) xanh - hanh tranh cua dong ((cong san) or (cong thanh)) toan tap*.