Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trang, lanh tranh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trinh » canh tranh, hanh chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
dung cong » dung trong
cong dang » cong dong, cong dan, cong dung
dang toan » dang tran, dan toan, dung toan
cua dung » cua dang, cua dong, qua dung
toan cao » toan ban, toan tap

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 manh) or (chieu sang)) - ((hanh tranh) OR (hanh trinh)) cua dung cong dang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - ((hanh tranh) OR (hanh trinh)) cua dung cong dang toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sang)) - ((hanh tranh) OR (hanh trinh)) cua dung cong dang toan cao*".