Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
mot chieu » doi chieu, ho chieu
tranh cua » doanh cua, manh cua
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
dan toan » van toan, dan than, manh toan
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 (mot chieu)) xanh - hanh tranh cua ((hang cong) OR (dang cong)) dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (mot chieu)) xanh - hanh tranh cua ((hang cong) OR (dang cong)) dan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (mot chieu)) xanh - hanh tranh cua ((hang cong) OR (dang cong)) dan toan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (mot chieu)) xanh - hanh tranh cua ((hang cong) OR (dang cong)) dan toan tap*.