Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, thi chieu
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, thi chieu
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (((doi chieu) OR (mot chieu)))) xanh - hanh tranh cua dung cong tan tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((doi chieu) OR (mot chieu)))) xanh - hanh tranh cua dung cong tan tran cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (((doi chieu) OR (mot chieu)))) xanh - hanh tranh cua dung cong tan tran cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((doi chieu) OR (mot chieu)))) xanh - hanh tranh cua dung cong tan tran cao*.